sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805: payload batch 1/1

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/C6A_REVIEW.md

@@ -0,0 +1,64 @@
+# session_20260921_230830_350739: selected-window mask review
+
+**window, masks and prior accepted; mechanical inputs and static appearance in preparation.**
+
+Owner-selected anchor camera 12540311 converted frames: **349–805 inclusive**.
+Object: taped round belt. Motion: two-handed grasp major axis without lifting, compress and stretch cycles.
+Participating controllers: `hand_A+hand_B`. A is the right bracelet hand; B is the left hand.
+Hand masks cover visible bare forearm through fingertips and exclude sleeve/bracelet. The occluder covers the whole visible person, clothing, accessories and nonparticipating hands.
+
+[Recorded owner window decision](owner_window_decision.json) and [2026-10-28 owner mask review](owner_mask_acceptance_c6a_selected_20261028.json). Accept the reviewed object, hand_A, hand_B and whole-person occluder masks in all four cameras on the owner-selected window for reference input preparation. Prior, appearance and push fixed-attachment decisions remain separate.
+
+## Four-camera tiled videos
+
+Each video shows all four cameras in a 2×2 layout: **12540311 / 12933256** above **17736741 / 23007103**.
+
+[Object](review_tiled_c6a_20261028/role_object.mp4) · [Right hand A](review_tiled_c6a_20261028/role_hand_A.mp4) · [Left hand B](review_tiled_c6a_20261028/role_hand_B.mp4) · [Whole person](review_tiled_c6a_20261028/role_occluder.mp4)
+
+Playback is 10 frames/s for inspection. Views are associated by recorded timestamps; every native capture appears, with repeated tiles where needed. Labels show each camera’s selected-local, converted and native frame numbers, capture timestamp and offset from the display event. This is a display association, not a change to the masks or selected windows.
+
+[Exact displayed capture mapping](review_tiled_c6a_20261028/media_index.json).
+
+## Exact own-camera mapping
+
+| Camera | Selected-local t | Converted frames | Native container frames | First / last capture timestamp ns |
+|---|---|---|---|---|
+| 12540311 | 0–456 | 349–805 | 350–806 | 1790046546639301541 / 1790046561894387667 |
+| 12933256 | 0–456 | 348–804 | 349–805 | 1790046546638078793 / 1790046561895407749 |
+| 17736741 | 0–456 | 348–804 | 349–805 | 1790046546632119449 / 1790046561883528184 |
+| 23007103 | 0–456 | 348–804 | 349–805 | 1790046546627689317 / 1790046561880177009 |
+
+[Selected native input manifest](native_inputs/per_camera_inputs.json) and [exact source-mask row selection](mask_review_selection.json). Only each product’s named owning column is admitted; other columns are display associations.
+
+## Selected-window role clips
+
+Clips play every selected capture at 10 frames/s and retain the source capture timestamps. The first label uses selected-local `t`; each camera has its own count. The native mask arrays remain unchanged in the source packets.
+
+| Camera | Object | Right hand A | Left hand B | Whole person |
+|---|---|---|---|---|
+| 12540311 | [object](review_media_owner_window_20261028/12540311/role_object.mp4) | [hand_A](review_media_owner_window_20261028/12540311/role_hand_A.mp4) | [hand_B](review_media_owner_window_20261028/12540311/role_hand_B.mp4) | [occluder](review_media_owner_window_20261028/12540311/role_occluder.mp4) |
+| 12933256 | [object](review_media_owner_window_20261028/12933256/role_object.mp4) | [hand_A](review_media_owner_window_20261028/12933256/role_hand_A.mp4) | [hand_B](review_media_owner_window_20261028/12933256/role_hand_B.mp4) | [occluder](review_media_owner_window_20261028/12933256/role_occluder.mp4) |
+| 17736741 | [object](review_media_owner_window_20261028/17736741/role_object.mp4) | [hand_A](review_media_owner_window_20261028/17736741/role_hand_A.mp4) | [hand_B](review_media_owner_window_20261028/17736741/role_hand_B.mp4) | [occluder](review_media_owner_window_20261028/17736741/role_occluder.mp4) |
+| 23007103 | [object](review_media_owner_window_20261028/23007103/role_object.mp4) | [hand_A](review_media_owner_window_20261028/23007103/role_hand_A.mp4) | [hand_B](review_media_owner_window_20261028/23007103/role_hand_B.mp4) | [occluder](review_media_owner_window_20261028/23007103/role_occluder.mp4) |
+
+[First / middle / last person-mask readback](review_media_owner_window_20261028/occluder_first_middle_last.jpg) and [media selection/admission record](review_media_owner_window_20261028/media_index.json).
+
+## Existing evidence and remaining review
+
+[Earlier packet and boundary context](/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0324-0813/C6A_REVIEW.md) remain available; their old interval is historical. The existing mask quality findings remain relevant where their captures are retained. A trim does not correct mask defects or constitute a new full-playback mask review.
+
+## Accepted preparation
+
+[Reference observations and review](accepted_input_preparation_c6a_v1/review_v1/REVIEW.md). [The C2 prior packet](accepted_input_preparation_c6a_v1/prior_review_v1/PRIOR_REVIEW_c6a_v1.md) is reviewed and awaiting owner approval before mechanical preparation and static appearance training. Both hands have valid selected controls, with temporal arc gaps, uneven coverage and depth outliers retained in the findings.
+
+Owner prior decision: “Approve 230830’s prior”. [Recorded candidate and scope](owner_prior_acceptance_c6a_v1.json). Accept this reviewed orange-belt prior for mechanical input preparation and reference static appearance training. Trained appearance acceptance and physical fitting remain separate.
+
+### Static appearance review completed, 2026-10-28
+
+The [appearance review](accepted_input_preparation_c6a_v1/APPEARANCE_REVIEW_c6a_v1.md) includes four camera comparisons and a rotation video. Saved arrays and histories are finite. Both hidden arcs remain open; diffuse fringe is strongest in cameras 12540311 and 12933256. Appearance acceptance is pending; prior acceptance is already recorded.
+
+Owner appearance approval: “Accept 230830’s appearance”. [Recorded artifact and scope](owner_appearance_acceptance_c6a_v1.json). The disclosed hidden gaps and fringe remain part of the accepted result.
+
+### Mechanical input review complete
+
+[Static mechanical review](accepted_input_preparation_c6a_v1/supervision/review_c6a_v1/MECHANICAL_REVIEW.md): all 25 checks and both inspected geometry figures support completion of this preparation. There are 768 unit-mass particles and 30 unchanged controls (13 A / 17 B), with one connected graph and all controls attached. The 52 initial centers below the nominal table (minimum −1.757 mm) remain unchanged.

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/mask_review_selection.json

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+{
+  "purpose": "Review-only exact own-camera selection from original validated masks; no window rebinding or signoff",
+  "owner_window_decision": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_window_decision.json",
+  "previous_packet": {
+    "session_id": "session_20260921_230830_350739",
+    "object": "taped round belt",
+    "motion": "two-handed grasp major axis without lifting, compress and stretch cycles",
+    "proposed_anchor_frames": "324-813",
+    "T": "490",
+    "per_camera_counts": "490/490/490/490",
+    "rectangular": "true",
+    "participating_hands": "hand_A+hand_B",
+    "alternatives": "",
+    "masks": "not yet proposed",
+    "case_dir": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0324-0813",
+    "status": "window proposed; pending owner review",
+    "source_proposal": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_proposal_c1/proposal.json",
+    "current_proposal": {
+      "start_anchor_frame": 324,
+      "end_anchor_frame_inclusive": 813,
+      "start_ns": 1790046545803265683,
+      "end_ns": 1790046562162025322,
+      "rationale": "Start = last participating hand (hand_B) reaches the far end of the belt: fingertips just above/at the belt at anchor 321 and on it at 324 (12540311 native zoom frames 321/324; 17736741 shows fingertips at the belt ~conv 322-326, pinch closed by ~330). hand_A's hand is under/against the near end from ~anchor 314-318. End = last frame before the first release: hand_B's pinch is on the belt through anchor 813 and lifts away at 814-815; hand_A leaves ~817-818 (12540311 single-frame scan 802-825). No regrasp/hand change seen at stride 10 (12540311 324-834 and 17736741 290-840)."
+    },
+    "amendment": null,
+    "owner_accepted": false,
+    "products": [
+      {
+        "root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0324-0813",
+        "frames": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0324-0813/inspection/frames.npz",
+        "serials": [
+          "12540311",
+          "12933256",
+          "17736741",
+          "23007103"
+        ],
+        "T": 490,
+        "use": "rectangular proposed captures"
+      }
+    ]
+  },
+  "cameras": [
+    {
+      "serial": "12540311",
+      "view_index": 0,
+      "selected_frames": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/native_inputs/cameras/12540311/inspection/frames.npz",
+      "source_frames": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0324-0813/inspection/frames.npz",
+      "source_mask_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0324-0813",
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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:28:24Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:28:27Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  ],
+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:28:29Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  ],
+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:28:32Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:28:34Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:28:38Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:28:41Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+              "sha256": "9d27c6d5299bb398840d4e789e76860d1760f79fe869cb7ad433dcfd1230dbc0"
+            }
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+          "prompts": [
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+              "sha256": "0d19943141adb70025f37b5255211008ca5e76a45df7c65ff75fdce2d78877f1"
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+      "visible_frames": 457
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+  ],
+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:28:44Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/native_inputs/inspection.json

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+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/native_inputs/per_camera_inputs.json

@@ -0,0 +1,33 @@
+{
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+    }
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+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_appearance_acceptance_c6a_v1.json

@@ -0,0 +1,11 @@
+{
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+  "final_ply": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/accepted_input_preparation_c6a_v1/appearance_train_v1/model/point_cloud/iteration_10000/point_cloud.ply",
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+  "physical_fitting": "not authorized by appearance acceptance",
+  "owner_text": "Accept 230830\u2019s appearance",
+  "question_item_id": "[\"request_user_input_async\",\"call_104aba45e9c74ca5a988440cacaacede\",0]",
+  "recorded_utc": "2026-10-28T20:51:18.515297+00:00",
+  "scope": "Accept this trained static appearance with disclosed hand-hidden gaps and diffuse fringe, strongest in cameras 12540311 and 12933256. No physical fitting is authorized."
+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_appearance_review_request_c6a_v1.json

@@ -0,0 +1,9 @@
+{
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+  "run_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/accepted_input_preparation_c6a_v1/appearance_train_v1",
+  "final_ply": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/accepted_input_preparation_c6a_v1/appearance_train_v1/model/point_cloud/iteration_10000/point_cloud.ply",
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+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/accepted_input_preparation_c6a_v1/APPEARANCE_REVIEW_c6a_v1.md",
+  "owner_decision": "pending",
+  "physical_fitting": "not authorized by appearance acceptance"
+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_inspect.log

@@ -0,0 +1 @@
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/native_inputs/per_camera_inputs.json and /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/native_inputs/inspection.json

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_inspect_argv.json

@@ -0,0 +1,12 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python",
+  "scripts/phystwin_real_rgbd.py",
+  "inspect",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230830_350739",
+  "--window",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/phystwin_window.yaml",
+  "--per-camera",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/native_inputs"
+]

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_mask_acceptance_c6a_selected_20261028.json

@@ -0,0 +1,16 @@
+{
+  "owner_text": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "recorded_utc": "2026-10-28T16:08:00.248304+00:00",
+  "accepted_window_anchor_inclusive": [
+    349,
+    805
+  ],
+  "participating_hands": [
+    "hand_A",
+    "hand_B"
+  ],
+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/C6A_REVIEW.md",
+  "review_media": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/review_tiled_c6a_20261028/media_index.json",
+  "selection": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/mask_review_selection.json",
+  "scope": "Accept the reviewed object, hand_A, hand_B and whole-person occluder masks in all four cameras on the owner-selected window for reference input preparation. Prior, appearance and push fixed-attachment decisions remain separate."
+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_prior_acceptance_c6a_v1.json

@@ -0,0 +1,10 @@
+{
+  "owner_text": "Approve 230830\u2019s prior",
+  "question_item_id": "[\"request_user_input_async\", \"call_ef56a3b48999402b88acd90038fa08d0\", 0]",
+  "recorded_utc": "2026-10-28T19:44:03.346271+00:00",
+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/accepted_input_preparation_c6a_v1/prior_review_v1/PRIOR_REVIEW_c6a_v1.md",
+  "prior_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/accepted_input_preparation_c6a_v1/prior_orange_v1",
+  "prior_manifest_sha256": "17159dcc589cdd39ca4d552051879912ff7c9e52809860945ab7cad5d49d53b3",
+  "mesh_sha256": "7cf65bbc2512b40fd24e29588fbd82f76b8bf4d16632a5da810efa89b244d07f",
+  "scope": "Accept this reviewed orange-belt prior for mechanical input preparation and reference static appearance training. Trained appearance acceptance and physical fitting remain separate."
+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_prior_review_request_c6a_v1.json

@@ -0,0 +1,13 @@
+{
+  "requested_utc": "2026-10-28T18:44:27.410602+00:00",
+  "prior_run": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/accepted_input_preparation_c6a_v1/prior_orange_v1",
+  "manifest_sha256": "17159dcc589cdd39ca4d552051879912ff7c9e52809860945ab7cad5d49d53b3",
+  "mesh_sha256": "7cf65bbc2512b40fd24e29588fbd82f76b8bf4d16632a5da810efa89b244d07f",
+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/accepted_input_preparation_c6a_v1/prior_review_v1/PRIOR_REVIEW_c6a_v1.md",
+  "requested_scope": [
+    "mechanical input preparation",
+    "reference static appearance training"
+  ],
+  "owner_decision": "pending",
+  "physical_fitting": "not authorized by this request"
+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_window.log

@@ -0,0 +1 @@
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/phystwin_window.yaml

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_window_argv.json

@@ -0,0 +1,22 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python",
+  "scripts/phystwin_annotate_converted_session_window.py",
+  "--session-path",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230830_350739",
+  "--anchor-serial",
+  "12540311",
+  "--start-timestamp-ns",
+  "1790046546639301541",
+  "--end-timestamp-ns",
+  "1790046561894387667",
+  "--expected-visible-hands-or-arms",
+  "2",
+  "--object-description",
+  "taped round belt",
+  "--controller-description",
+  "hand_A = person's right hand (bracelet); hand_B = person's left hand. Participating: hand_A+hand_B",
+  "--notes",
+  "Owner selected anchor12540311 converted frames 349-805 inclusive on 2026-10-28. Masks remain unapproved.",
+  "--output-path",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0349-0805/phystwin_window.yaml"
+]

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/owner_window_decision.json

@@ -0,0 +1,10 @@
+{
+  "owner_text": "I've now inspected the best windows for the remaining sessions, but haven't yet fully inspected all the masks. please use these windows: 225524: 471-708, 225744: 335-775, 230338: 305-744, 230446: 282-676, 230550: 293-547, 230830: 349-805, 230937: 362-817, 231046: 364-711, 232051: 260-385, 232242: 307-584, 232344: 308-680, 232447: 336-500, 232616: 311-690, 232717: 340-691, 232822: 331-765, 232950: 220-428, 233045: 256-546, 233144: 268-673, 233350: 359-730",
+  "anchor_serial": "12540311",
+  "anchor_converted_frames_inclusive": [
+    349,
+    805
+  ],
+  "mask_acceptance": "pending",
+  "previous_case": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230830_350739/window_anchor0324-0813"
+}

sessions/session_20260921_230830_350739/annotations/windows/window_anchor0349-0805/native/phystwin_window.yaml

@@ -0,0 +1,81 @@
+schema_version: 1
+kind: phystwin_interaction_window
+session:
+  path: /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230830_350739
+  session_id: session_20260921_230830_350739
+annotation_interface:
+  method: rerun
+  rerun_timeline: sync_time_ns
+  rerun_launch_command: uv run --no-sync python -m dataset_converter.visualize_rerun
+    --session-path /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230830_350739
+    --sensor-types zed
+  timestamp_copy_instructions: Scrub the sync_time_ns timeline in Rerun. Copy the
+    current integer-nanosecond timestamp at the desired start/end moments.
+  notes: ''
+timebase:
+  policy: native_anchor_overlap
+  sync_policy: AnchorStreamSyncPolicy
+  overlap: true
+  anchor_serial: '12540311'
+  anchor_stream_id: zed_12540311_left_rgb
+  timestamp_unit: ns
+  timestamp_reference: sync_time_ns
+  period_ns_estimate: 33429146
+  fps_estimate: 29.914016
+manual_annotation:
+  start_global_timestamp_ns: 1790046546639301541
+  end_global_timestamp_ns: 1790046561894387667
+  start_condition: hand_or_forearm_visible_and_in_contact_with_object
+  end_condition: before_release_or_contact_break
+  expected_visible_hands_or_arms: 2
+  object_description: taped round belt
+  controller_description: 'hand_A = person''s right hand (bracelet); hand_B = person''s
+    left hand. Participating: hand_A+hand_B'
+  annotator_notes: Owner selected anchor12540311 converted frames 349-805 inclusive
+    on 2026-10-28. Masks remain unapproved.
+resolved_window:
+  start_sync_index: 348
+  end_sync_index_exclusive: 805
+  start_anchor_timestamp_ns: 1790046546639301541
+  end_anchor_timestamp_ns: 1790046561894387667
+  frame_count: 457
+  duration_s: 15.255086
+per_camera_resolution:
+  '12540311':
+    start_source_frame_index: 349
+    end_source_frame_index_exclusive: 806
+    start_source_timestamp_ns: 1790046546639301541
+    end_source_timestamp_ns: 1790046561894387667
+    start_delta_ns: 0
+    end_delta_ns: 0
+  '12933256':
+    start_source_frame_index: 348
+    end_source_frame_index_exclusive: 805
+    start_source_timestamp_ns: 1790046546638078793
+    end_source_timestamp_ns: 1790046561895407749
+    start_delta_ns: -1222748
+    end_delta_ns: 1020082
+  '17736741':
+    start_source_frame_index: 348
+    end_source_frame_index_exclusive: 805
+    start_source_timestamp_ns: 1790046546632119449
+    end_source_timestamp_ns: 1790046561883528184
+    start_delta_ns: -7182092
+    end_delta_ns: -10859483
+  '23007103':
+    start_source_frame_index: 348
+    end_source_frame_index_exclusive: 805
+    start_source_timestamp_ns: 1790046546627689317
+    end_source_timestamp_ns: 1790046561880177009
+    start_delta_ns: -11612224
+    end_delta_ns: -14210658
+validation:
+  within_all_camera_overlap: true
+  start_before_end: true
+  min_abs_camera_delta_ns: 0
+  max_abs_camera_delta_ns: 14210658
+  warnings: []
+created_by: manual
+created_at: '2026-10-28T14:39:22+00:00'
+updated_at: '2026-10-28T14:39:22+00:00'
+