Pith Number

pith:UP2CIFNP

pith:2019:UP2CIFNPO424NVBFITSCNDTFT2

not attested not anchored not stored refs pending

Extracting UMLS Concepts from Medical Text Using General and Domain-Specific Deep Learning Models

Astha LaPlante, Berry de Bruijn, Isar Nejadgholi, Kathleen C. Fraser, Khaldoun Zine El Abidine, Muqun Li

arxiv:1910.01274 v1 · 2019-10-03 · cs.CL · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UP2CIFNPO424NVBFITSCNDTFT2}

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	2026-07-05T00:09:28.752451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f42415af7735c6d42544e4268e659e93cb54b2aa86d0e0c95baf1eddb1a806

Aliases

arxiv: 1910.01274 · arxiv_version: 1910.01274v1 · doi: 10.48550/arxiv.1910.01274 · pith_short_12: UP2CIFNPO424 · pith_short_16: UP2CIFNPO424NVBF · pith_short_8: UP2CIFNP

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/UP2CIFNPO424NVBFITSCNDTFT2 \
  | 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: a3f42415af7735c6d42544e4268e659e93cb54b2aa86d0e0c95baf1eddb1a806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb5472b08a61955cd2f9b85aad8313e932c5765045d5175c0e5be72f19dde75d",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-03T01:51:17Z",
    "title_canon_sha256": "b3a0074867c18a3c194ec324719f155ee066dc7f28d647e02dc93ab5814af044"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01274",
    "kind": "arxiv",
    "version": 1
  }
}