Pith Number

pith:FCO7LD7Q

pith:2023:FCO7LD7QLILN53N2UO5KCXFED3

not attested not anchored not stored refs pending

Natural language processing to automatically extract the presence and severity of esophagitis in notes of patients undergoing radiotherapy

Arpi Murray, Danielle S. Bitterman, Guergana K. Savova, Hugo JWL Aerts, Jeremy L. Warner, Marco Guevara, Nicolas Ramirez, Raymond H. Mak, Shan Chen, Timothy A. Miller

arxiv:2303.13722 v1 · 2023-03-24 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCO7LD7QLILN53N2UO5KCXFED3}

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	2026-07-05T06:50:13.413372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

289df58ff05a16deedbaa3baa15ca41efd31c5baaee3ee5134d2742fd3d2ff50

Aliases

arxiv: 2303.13722 · arxiv_version: 2303.13722v1 · doi: 10.48550/arxiv.2303.13722 · pith_short_12: FCO7LD7QLILN · pith_short_16: FCO7LD7QLILN53N2 · pith_short_8: FCO7LD7Q

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/FCO7LD7QLILN53N2UO5KCXFED3 \
  | 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: 289df58ff05a16deedbaa3baa15ca41efd31c5baaee3ee5134d2742fd3d2ff50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86c9d50bfdbf2b4e1929d241741313e1576189bf464890ce7150265cb95735f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-03-24T00:26:07Z",
    "title_canon_sha256": "ac2e01fdabed89d0fe106a6c0b3f95a726d0608abcec547824739c7bf1d1ef53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13722",
    "kind": "arxiv",
    "version": 1
  }
}