Pith Number

pith:R7EGEVLG

pith:2019:R7EGEVLGK463WXZX75EOBHEWRC

not attested not anchored not stored refs pending

A frame semantic overview of NLP-based information extraction for cancer-related EHR notes

Elmer V Bernstam, Kirk Roberts, Surabhi Datta

arxiv:1904.01655 v1 · 2019-04-02 · q-bio.QM · 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{R7EGEVLGK463WXZX75EOBHEWRC}

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	2026-05-17T23:49:30.352281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc8625566573dbb5f37ff48e09c96888ddf1ebdbc03765b68850f1420861954

Aliases

arxiv: 1904.01655 · arxiv_version: 1904.01655v1 · doi: 10.48550/arxiv.1904.01655 · pith_short_12: R7EGEVLGK463 · pith_short_16: R7EGEVLGK463WXZX · pith_short_8: R7EGEVLG

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/R7EGEVLGK463WXZX75EOBHEWRC \
  | 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: 8fc8625566573dbb5f37ff48e09c96888ddf1ebdbc03765b68850f1420861954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98cf058437a977afd9cddfe73c7468d8a8441dee8121b638960d3b932d1267de",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-04-02T20:27:42Z",
    "title_canon_sha256": "e82b9c984be3d90c152b2423da3b0658e941c51f17f01965ad465754ffc6b253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01655",
    "kind": "arxiv",
    "version": 1
  }
}