Pith Number

pith:R4453LIV

pith:2019:R4453LIVI3VGMCDCQ7QYA63EHJ

not attested not anchored not stored refs pending

Fine-tuning BERT for Joint Entity and Relation Extraction in Chinese Medical Text

Huanhuan Zhang, Kui Xue, Ping He, Tong Ruan, Yangming Zhou, Zhiyuan Ma

arxiv:1908.07721 v2 · 2019-08-21 · 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{R4453LIVI3VGMCDCQ7QYA63EHJ}

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	2026-07-05T00:13:53.506898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f39ddad1546ea66086287e1807b643a4094398263e4c6bbf336dfef99acc94f

Aliases

arxiv: 1908.07721 · arxiv_version: 1908.07721v2 · doi: 10.48550/arxiv.1908.07721 · pith_short_12: R4453LIVI3VG · pith_short_16: R4453LIVI3VGMCDC · pith_short_8: R4453LIV

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/R4453LIVI3VGMCDCQ7QYA63EHJ \
  | 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: 8f39ddad1546ea66086287e1807b643a4094398263e4c6bbf336dfef99acc94f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "990e52da04ab2458e2177052383b84519df7f80e81e5654048686b62da414c28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-21T06:56:08Z",
    "title_canon_sha256": "90ce8f1072901d2024d1467d2147a75793cfd7e8f5d5cdf79b21d099ed7d9572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07721",
    "kind": "arxiv",
    "version": 2
  }
}