Pith Number

pith:2BFLNK5R

pith:2019:2BFLNK5RFPWSHEQPMSZILMYUZB

not attested not anchored not stored refs pending

Unsupervised Extraction of Phenotypes from Cancer Clinical Notes for Association Studies

Andreas Wicki, Fernando Perez Cruz, Gunnar R\"atsch, Julia E. Vogt, Kjong Lehmann, Melanie F. Pradier, Stefan G. Stark, Stephanie L. Hyland

arxiv:1904.12973 v2 · 2019-04-29 · cs.LG · cs.CL · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BFLNK5RFPWSHEQPMSZILMYUZB}

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	2026-05-17T23:47:06.924154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04ab6abb12bed23920f64b285b314c8751ba7970b3aeb249aacc67e4c670059

Aliases

arxiv: 1904.12973 · arxiv_version: 1904.12973v2 · doi: 10.48550/arxiv.1904.12973 · pith_short_12: 2BFLNK5RFPWS · pith_short_16: 2BFLNK5RFPWSHEQP · pith_short_8: 2BFLNK5R

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/2BFLNK5RFPWSHEQPMSZILMYUZB \
  | 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: d04ab6abb12bed23920f64b285b314c8751ba7970b3aeb249aacc67e4c670059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecec3f0f8a4b0bd5ca86a46468b070d477a1f5530221dae81d1d7e6cf75a2d2c",
    "cross_cats_sorted": [
      "cs.CL",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-29T22:15:22Z",
    "title_canon_sha256": "835ffc4a9f8dc5d510544277a9c1de4679a197b9513311619f1cfca28ddb2c79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12973",
    "kind": "arxiv",
    "version": 2
  }
}