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"schema": "dvidia.continuous-shoe-grip/v2",
"split": "heldout",
"cohort": "fresh-parameter-holdouts-v02",
"fixture_sha256": "41ab821fa79596d57228b93c2b42c17f6df4b4bc42e0f25818cb472cb221e6e7",
"criteria": {
"native_dt_s": 0.002,
"policy_dt_s": 0.02,
"final_retention_s": 0.5,
"final_retention_ticks": 250,
"shoe_origin_height_min_m": 0.035,
"finger_force_min_n": 0.01,
"support_force_max_n": 0.01,
"acquisition_dwell_s": 0.1,
"sustained_loss_s": 0.02,
"support_scope": "Normal force from world, rake, or non-finger robot geometry each must remain below 0.01 N. Thresholds are synthetic scoring conventions, not calibrated safety limits.",
"height_scope": "Height is the synthetic shoe body origin at its sole-bottom reference, not its orientation-dependent lowest surface."
},
"attempts": [
{
"id": "fresh-01-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-01",
"shoe_x": 0.698,
"shoe_y": -0.067,
"mass": 0.16,
"friction": 0.38,
"tool_length": 0.335,
"lateral_error": 0.012,
"split": "heldout",
"rationale": "Light, low-friction shoe with a small alignment offset."
}
},
{
"id": "fresh-01-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-01",
"shoe_x": 0.698,
"shoe_y": -0.067,
"mass": 0.16,
"friction": 0.38,
"tool_length": 0.335,
"lateral_error": 0.012,
"split": "heldout",
"rationale": "Light, low-friction shoe with a small alignment offset."
}
},
{
"id": "fresh-02-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-02",
"shoe_x": 0.712,
"shoe_y": -0.137,
"mass": 0.44,
"friction": 0.88,
"tool_length": 0.359,
"lateral_error": -0.042,
"split": "heldout",
"rationale": "Heavier shoe near the lateral workspace edge."
}
},
{
"id": "fresh-02-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-02",
"shoe_x": 0.712,
"shoe_y": -0.137,
"mass": 0.44,
"friction": 0.88,
"tool_length": 0.359,
"lateral_error": -0.042,
"split": "heldout",
"rationale": "Heavier shoe near the lateral workspace edge."
}
},
{
"id": "fresh-03-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-03",
"shoe_x": 0.742,
"shoe_y": -0.094,
"mass": 0.62,
"friction": 1.18,
"tool_length": 0.382,
"lateral_error": 0.049,
"split": "heldout",
"rationale": "Farther heavy shoe with high assumed friction."
}
},
{
"id": "fresh-03-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-03",
"shoe_x": 0.742,
"shoe_y": -0.094,
"mass": 0.62,
"friction": 1.18,
"tool_length": 0.382,
"lateral_error": 0.049,
"split": "heldout",
"rationale": "Farther heavy shoe with high assumed friction."
}
},
{
"id": "fresh-04-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-04",
"shoe_x": 0.731,
"shoe_y": -0.126,
"mass": 0.26,
"friction": 0.52,
"tool_length": 0.376,
"lateral_error": -0.094,
"split": "heldout",
"rationale": "Large initial lateral error requires a bounded correction."
}
},
{
"id": "fresh-04-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-04",
"shoe_x": 0.731,
"shoe_y": -0.126,
"mass": 0.26,
"friction": 0.52,
"tool_length": 0.376,
"lateral_error": -0.094,
"split": "heldout",
"rationale": "Large initial lateral error requires a bounded correction."
}
},
{
"id": "fresh-05-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-05",
"shoe_x": 0.704,
"shoe_y": -0.081,
"mass": 0.34,
"friction": 1.12,
"tool_length": 0.348,
"lateral_error": 0.083,
"split": "heldout",
"rationale": "Nearer object with high friction and offset approach."
}
},
{
"id": "fresh-05-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-05",
"shoe_x": 0.704,
"shoe_y": -0.081,
"mass": 0.34,
"friction": 1.12,
"tool_length": 0.348,
"lateral_error": 0.083,
"split": "heldout",
"rationale": "Nearer object with high friction and offset approach."
}
},
{
"id": "fresh-06-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-06",
"shoe_x": 0.748,
"shoe_y": -0.146,
"mass": 0.72,
"friction": 0.76,
"tool_length": 0.394,
"lateral_error": -0.018,
"split": "heldout",
"rationale": "Heavy object near the declared far/lateral limits."
}
},
{
"id": "fresh-06-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-06",
"shoe_x": 0.748,
"shoe_y": -0.146,
"mass": 0.72,
"friction": 0.76,
"tool_length": 0.394,
"lateral_error": -0.018,
"split": "heldout",
"rationale": "Heavy object near the declared far/lateral limits."
}
},
{
"id": "fresh-07-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-07",
"shoe_x": 0.719,
"shoe_y": -0.058,
"mass": 0.19,
"friction": 0.29,
"tool_length": 0.362,
"lateral_error": -0.062,
"split": "heldout",
"rationale": "Low-friction light shoe at a different lateral location."
}
},
{
"id": "fresh-07-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-07",
"shoe_x": 0.719,
"shoe_y": -0.058,
"mass": 0.19,
"friction": 0.29,
"tool_length": 0.362,
"lateral_error": -0.062,
"split": "heldout",
"rationale": "Low-friction light shoe at a different lateral location."
}
},
{
"id": "fresh-08-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-08",
"shoe_x": 0.736,
"shoe_y": -0.109,
"mass": 0.48,
"friction": 0.96,
"tool_length": 0.371,
"lateral_error": 0.106,
"split": "heldout",
"rationale": "Marginal tool reach plus large initial alignment error."
}
},
{
"id": "fresh-08-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-08",
"shoe_x": 0.736,
"shoe_y": -0.109,
"mass": 0.48,
"friction": 0.96,
"tool_length": 0.371,
"lateral_error": 0.106,
"split": "heldout",
"rationale": "Marginal tool reach plus large initial alignment error."
}
},
{
"id": "fresh-09-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-09",
"shoe_x": 0.707,
"shoe_y": -0.119,
"mass": 0.31,
"friction": 0.64,
"tool_length": 0.205,
"lateral_error": 0.038,
"split": "heldout",
"rationale": "Tool cannot get behind the far edge; deferral is appropriate."
}
},
{
"id": "fresh-09-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-09",
"shoe_x": 0.707,
"shoe_y": -0.119,
"mass": 0.31,
"friction": 0.64,
"tool_length": 0.205,
"lateral_error": 0.038,
"split": "heldout",
"rationale": "Tool cannot get behind the far edge; deferral is appropriate."
}
},
{
"id": "fresh-10-baseline",
"task": "tool-reach",
"policy": "baseline",
"case": {
"id": "fresh-10",
"shoe_x": 0.744,
"shoe_y": -0.072,
"mass": 0.58,
"friction": 1.02,
"tool_length": 0.255,
"lateral_error": -0.047,
"split": "heldout",
"rationale": "Farther shoe with insufficient tool length; deferral control."
}
},
{
"id": "fresh-10-recovery",
"task": "tool-reach",
"policy": "recovery",
"case": {
"id": "fresh-10",
"shoe_x": 0.744,
"shoe_y": -0.072,
"mass": 0.58,
"friction": 1.02,
"tool_length": 0.255,
"lateral_error": -0.047,
"split": "heldout",
"rationale": "Farther shoe with insufficient tool length; deferral control."
}
}
],
"comparison": "Paired unchanged v01 mounted-rake recovery versus v02 continuous-grip recovery; same native geometry and case parameters.",
"design": "Ten deterministic joint parameter holdouts authored and sealed before v02 controller freeze. Not a random sample, confidence interval, or real-world generalization estimate.",
"previous_data": "All v01 development and v01 heldout cases are now regression data; none count as unseen evaluation.",
"cohort_access": "Controller development must not read or execute this fresh cohort before root records source freeze. No fresh-case outcomes used to tune the controller.",
"scope": "Authored controller comparison, privileged native observations and synthetic objects; no hardware safety or transfer claim.",
"source_commit": "af8933994b4626e28a0554abc782ae9d22cff06c",
"implementation_sha256": {
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"grip_protocol.py": "762c5011cb242ded7355dd3d9b97dd465c0e14e7ef3977ed12e0037017fd0532",
"grip_protocol_v02.json": "41ab821fa79596d57228b93c2b42c17f6df4b4bc42e0f25818cb472cb221e6e7",
"grip_benchmark.py": "236ebcd0df1547bf0146675289d57c535d67a3aa2c051456bc9e8b4542bf59ac",
"tool_reach.py": "812072388b518fb11999dafddd15655f3c750fa84fe09047c55a78c2b509e68f",
"workstation.py": "2a6aa6686b5b273efcfb21156952df8ceca88d991674cd17df92f2dccc11b701",
"asset_library.py": "12520ca13b7806004be37a0d7e0d1e023c90410c1eba899296fdcd5b28fdc7f7",
"asset_catalog.json": "592f363389a96fef7f9223737aa72a2f1a74f400238924bf6790ec5bfd3302b7",
"robot_profiles.py": "fb90782a6a9979e282182118ae0e3e29d00f101255cc57378dd3f692672bb13d",
"prerequisite_benchmark.py": "c78efb24263300c56f50413aa65333e4fbf1b99403aa816de9bf4cb5656a3811",
"asset_preview.py": "12f4806162504a3c8773b10b516d6b7abb05f670a1f5817be144ea98fc1d25d8",
"grip_lab.html": "01dfbe1e687ef53b095d74b0ced1364243e69c501eafca552c485afba5954c7a",
"grip_lab.js": "74292368822cb58e0b073e9085fdcd96979fd3421eec95c3cfee4e8fab20380f",
"grip_lab.bundle.js": "fb344678075ba0ddba43f2b62519ada05dfd3ae6b2f2b3878a3b7bc5f0b33a72"
}
}
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