Pith Number

pith:ODRCIGXZ

pith:2026:ODRCIGXZQMN5MXCRNDQGVSD4XB

not attested not anchored not stored refs pending

An Open Multi-Center Whole-Body FDG PET/CT Foundation Model for Tumor Segmentation

Chi Liu, Georges El Fakhri, Jinsong Ouyang, Menghua Xia, Qianru Zhang, Thibault Marin, Xiaofeng Liu

arxiv:2605.21835 v1 · 2026-05-20 · eess.IV · cs.AI · cs.CV · physics.med-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODRCIGXZQMN5MXCRNDQGVSD4XB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-22T01:04:10.238207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70e2241af9831bd65c5168e06ac87cb8476735935906bec5f44dc05e525502c1

Aliases

arxiv: 2605.21835 · arxiv_version: 2605.21835v1 · doi: 10.48550/arxiv.2605.21835 · pith_short_12: ODRCIGXZQMN5 · pith_short_16: ODRCIGXZQMN5MXCR · pith_short_8: ODRCIGXZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ODRCIGXZQMN5MXCRNDQGVSD4XB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 70e2241af9831bd65c5168e06ac87cb8476735935906bec5f44dc05e525502c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a4fcd6ded6fb1dd705d8eb6700f9304967daf5c3a79ac6a6d1ee11dc2b521a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "physics.med-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-05-20T23:59:50Z",
    "title_canon_sha256": "4b38a7f96fa446089a2dcb8f6eb41bdf28ef7f6121688854bf6c490029ae74ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21835",
    "kind": "arxiv",
    "version": 1
  }
}