Pith Number

pith:YTD6NLN5

pith:2018:YTD6NLN5KNDF6FG3MPFRPV6SNK

not attested not anchored not stored refs pending

Label-aware Double Transfer Learning for Cross-Specialty Medical Named Entity Recognition

Gen Gu, Jian Shen, Ken Chen, Liheng Chen, Shaodian Zhang, Weinan Zhang, Yanru Qu, Yimei Gao, Yong Yu, Zhenghui Wang

arxiv:1804.09021 v2 · 2018-04-24 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTD6NLN5KNDF6FG3MPFRPV6SNK}

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	2026-05-18T00:17:16.185768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4c7e6adbd53465f14db63cb17d7d26a9ac037f73d65d985b474517347f56efc

Aliases

arxiv: 1804.09021 · arxiv_version: 1804.09021v2 · doi: 10.48550/arxiv.1804.09021 · pith_short_12: YTD6NLN5KNDF · pith_short_16: YTD6NLN5KNDF6FG3 · pith_short_8: YTD6NLN5

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/YTD6NLN5KNDF6FG3MPFRPV6SNK \
  | 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: c4c7e6adbd53465f14db63cb17d7d26a9ac037f73d65d985b474517347f56efc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c84f661421eaefa64164c62c990587bd6e6a0ef6d9d68940895440c61b8d268",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-04-24T13:35:11Z",
    "title_canon_sha256": "305488c9a194b399d26cb25650b9ffa5e050b26237ae3ae98ca0255ff488d43b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09021",
    "kind": "arxiv",
    "version": 2
  }
}