Add PHerc0841: 3 segments (9.366 um meshes and X-ray, published ink 2.403 um), from the open data bucket (CC BY-NC 4.0)

data/PHerc0841/scroll.bin

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:21b4f37230dd169f9d00a93849e90a324b7422ff68b786545c7d0b20af5bc647
+size 103392

data/PHerc0841/scroll.json

@@ -0,0 +1 @@
+{"scroll":"PHerc0841","voxelMM":0.009366,"cellMM":0.18732,"axis":{"centre":[3252.2478802709,3436.521200313272,14441.806640625],"dxdz":-0.3333929354636598,"dydz":-0.14698630364975007},"atlas":{"w":4096,"h":512,"ppmm":7.5},"windings":[{"id":"w001","seg":"20260220214732-auto_grown_20260220144552896","rows":78,"cols":80,"rowIdx":[0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123,126,129,132,135,138,141,144,147,150,153,156,159,162,165,168,171,174,177,180,183,186,189,192,195,198,201,204,207,210,213,216,219,222,225,228,231],"colIdx":[0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123,126,129,132,135,138,141,144,147,150,153,156,159,162,165,168,171,174,177,180,183,186,189,192,195,198,201,204,207,210,213,216,219,222,225,228,231,234,235],"gridH":232,"gridW":236,"offset":0,"bytes":37440,"widthMM":44.21,"heightMM":43.46,"areaCM2":12.99,"radiusMM":7.31,"atlas":[0.00146484375,0.01171875,0.08251953125,0.6484375],"hi":"hi/w001.jpg","ink_source":"PHerc0841-20260220214732-2.403um-0.22m-77keV-volume-20260319124803-20260417190342-new_canon_autoresearch_recipe-tile256-stride128-ds8.jpg","mesh_source":"20260220214732-on-20250821151531-9.366um.tifxyz"},{"id":"w002","seg":"20260220213127-w00","rows":71,"cols":80,"rowIdx":[0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123,126,129,132,135,138,141,144,147,150,153,156,159,162,165,168,171,174,177,180,183,186,189,192,195,198,201,204,207,210],"colIdx":[0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123,126,129,132,135,138,141,144,147,150,153,156,159,162,165,168,171,174,177,180,183,186,189,192,195,198,201,204,207,210,213,216,219,222,225,228,231,234,237],"gridH":211,"gridW":238,"offset":37440,"bytes":34080,"widthMM":44.58,"heightMM":39.52,"areaCM2":12.92,"radiusMM":7.38,"atlas":[0.083984375,0.01171875,0.16552734375,0.58984375],"hi":"hi/w002.jpg","ink_source":"PHerc0841-20260220213127-2.403um-0.22m-77keV-volume-20260319124803-20260417190342-new_canon_autoresearch_recipe-tile256-stride128-ds8.jpg","mesh_source":"20260220213127-on-20250821151531-9.366um.tifxyz"},{"id":"w003","seg":"20260221022814-auto_grown_20260220174252405","rows":64,"cols":83,"rowIdx":[0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123,126,129,132,135,138,141,144,147,150,153,156,159,162,165,168,171,174,177,180,183,186,187],"colIdx":[0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123,126,129,132,135,138,141,144,147,150,153,156,159,162,165,168,171,174,177,180,183,186,189,192,195,198,201,204,207,210,213,216,219,222,225,228,231,234,237,240,243,244],"gridH":188,"gridW":245,"offset":71520,"bytes":31872,"widthMM":45.89,"heightMM":35.22,"areaCM2":12.24,"radiusMM":7.8,"atlas":[0.1669921875,0.01171875,0.2509765625,0.52734375],"hi":"hi/w003.jpg","ink_source":"PHerc0841-20260221022814-2.403um-0.22m-77keV-volume-20260319124803-20260417190342-new_canon_autoresearch_recipe-tile256-stride128-ds8.jpg","mesh_source":"20260221022814-on-20250821151531-9.366um.tifxyz"}],"totalWidthMM":134.7,"totalAreaCM2":38.2,"vertices":17232}

scrolls/PHerc0841/manifest.json

@@ -0,0 +1,61 @@
+{
+ "schema": "unroll-scroll/1",
+ "id": "PHerc0841",
+ "name": "PHerc. 841",
+ "description": "A carbonized Herculaneum papyrus scanned at ESRF. 3 traced segments from the Vesuvius Challenge open data, one published ink layer.",
+ "voxelMM": 0.009366,
+ "base": "../../",
+ "geometry": {
+  "format": "grid-int16",
+  "index": "data/PHerc0841/scroll.json",
+  "bin": "data/PHerc0841/scroll.bin",
+  "sizeHint": 103392,
+  "source": "Vesuvius Challenge 9.366 µm tifxyz meshes, decimated by tools/build.py"
+ },
+ "windings": [
+  "w001",
+  "w002",
+  "w003"
+ ],
+ "outermost": "last",
+ "layers": [
+  {
+   "id": "xray",
+   "role": "ct",
+   "label": "X‑ray",
+   "atlas": "data/PHerc0841/atlas_ct.webp",
+   "atlasFallback": "data/PHerc0841/atlas_ct.jpg",
+   "sizeHint": 93306,
+   "title": "Raw X-ray CT brightness on each segment. No ink detection.",
+   "hint": "Raw X-ray CT brightness, no ink detection.",
+   "source": "Vesuvius Challenge surface volumes, 9.366 µm scan",
+   "resolutionUM": 9.366
+  },
+  {
+   "id": "ink",
+   "role": "ink",
+   "label": "Published ink (2.403 µm)",
+   "atlas": "data/PHerc0841/atlas_ink.webp",
+   "atlasFallback": "data/PHerc0841/atlas_ink.jpg",
+   "sizeHint": 50468,
+   "hi": "data/PHerc0841/hi/{id}.jpg",
+   "title": "Vesuvius Challenge's published ink detection on the 2.403 µm scan.",
+   "hint": "Published ink (2.403 µm): Vesuvius Challenge detection on the 2.403 µm scan.",
+   "closeupLabel": "Published ink (2.403 µm)",
+   "source": "Vesuvius Challenge ink detection (ink-detection/downsampled), open data bucket",
+   "resolutionUM": 2.403
+  }
+ ],
+ "credits": {
+  "text": "Vesuvius Challenge",
+  "url": "https://scrollprize.org/data_browser/PHerc0841",
+  "citation": "Giorgio Angelotti, Stephen Parsons, Sean Johnson, Elian Rafael Dal Prà, Johannes Rudolph, Paul Tafforeau, Alessandro Mirone, Paul Henderson, Hendrik Schilling, Forrest McDonald, David Josey, Youssef Nader, C. Seth Parker, W. Brent Seales. Vesuvius Challenge - CT Scans of Herculaneum Papyri. Vesuvius Challenge.",
+  "holder": "Biblioteca Nazionale di Napoli"
+ },
+ "dataTerms": {
+  "license": "CC BY‑NC 4.0",
+  "url": "https://creativecommons.org/licenses/by-nc/4.0/",
+  "notes": "Meshes, X-ray and ink images come only from the open data bucket vesuvius-challenge-open-data (s3://vesuvius-challenge-open-data/PHerc0841/), licensed CC BY-NC 4.0: attribution, non-commercial use. This page shows images only: no transcriptions or readings of the text."
+ },
+ "notes": "Segment ids w001 and up are ours, ordered by median radius (innermost first); scroll.json keeps each source segment."
+}

scrolls/index.json

@@ -45,6 +45,17 @@
     "source": "https://scrollprize.org/prizes",
     "checked": "2026-10-16"
    }
+  },
+  {
+   "id": "PHerc0841",
+   "name": "PHerc. 841",
+   "manifest": "scrolls/PHerc0841/manifest.json",
+   "prize": {
+    "eligible": false,
+    "sets": [],
+    "source": "https://scrollprize.org/prizes",
+    "checked": "2026-10-16"
+   }
   }
  ]
 }