Pith Number

pith:FZTIBBLR

pith:2022:FZTIBBLRXDRJMKQKALWNTEI35F

not attested not anchored not stored refs pending

Segmentation and Risk Score Prediction of Head and Neck Cancers in PET/CT Volumes with 3D U-Net and Cox Proportional Hazard Neural Networks

Arman Rahmim, Calum MacAulay, Chloe Hill, Fereshteh Yousefirizi, Ian Janzen, Natalia Dubljevic, Yueh-En Liu

arxiv:2202.07823 v1 · 2022-02-16 · physics.med-ph · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZTIBBLRXDRJMKQKALWNTEI35F}

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	2026-07-05T03:57:34.035343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e66808571b8e2962a0a02ecd9911be96e31f9fe41f3054706fa18f61261bed3

Aliases

arxiv: 2202.07823 · arxiv_version: 2202.07823v1 · doi: 10.48550/arxiv.2202.07823 · pith_short_12: FZTIBBLRXDRJ · pith_short_16: FZTIBBLRXDRJMKQK · pith_short_8: FZTIBBLR

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/FZTIBBLRXDRJMKQKALWNTEI35F \
  | 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: 2e66808571b8e2962a0a02ecd9911be96e31f9fe41f3054706fa18f61261bed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd8695883c53179b685f16b92792af2259b1e58b86d5500e16bcfaf3510c4921",
    "cross_cats_sorted": [
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2022-02-16T01:59:33Z",
    "title_canon_sha256": "b37725e8b8f596700f67476e22798f1766c8f88fab9b146725f166da8e56b70c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07823",
    "kind": "arxiv",
    "version": 1
  }
}