Pith Number

pith:C4UOABCL

pith:2019:C4UOABCLEETMPH76RENZHQHA44

not attested not anchored not stored refs pending

Phenotyping of Clinical Notes with Improved Document Classification Models Using Contextualized Neural Language Models

Andriy Mulyar, Elliot Schumacher, Mark Dredze, Masoud Rouhizadeh

arxiv:1910.13664 v2 · 2019-10-30 · 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{C4UOABCLEETMPH76RENZHQHA44}

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	2026-07-05T01:35:57.172593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1728e0044b2126c79ffe891b93c0e0e72802036f196d330f365eb16841dcf4b5

Aliases

arxiv: 1910.13664 · arxiv_version: 1910.13664v2 · doi: 10.48550/arxiv.1910.13664 · pith_short_12: C4UOABCLEETM · pith_short_16: C4UOABCLEETMPH76 · pith_short_8: C4UOABCL

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/C4UOABCLEETMPH76RENZHQHA44 \
  | 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: 1728e0044b2126c79ffe891b93c0e0e72802036f196d330f365eb16841dcf4b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19e6cf7cc12f1ad13bd21658e37cb02f822a2d5e3659370ecd9134e27a291dfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-30T04:47:17Z",
    "title_canon_sha256": "0f65a355060b4efe889e36a0ed0e31cf890ca935beb7b9f20e874f41e327c124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13664",
    "kind": "arxiv",
    "version": 2
  }
}