Pith Number

pith:R5KJB7UF

pith:2019:R5KJB7UFCSFTRGSD3L2FW2HGI7

not attested not anchored not stored refs pending

Improving Multi-Word Entity Recognition for Biomedical Texts

Hamada A. Nayel, Hiroyuki Shindo, H. L. Shashirekha, Yuji Matsumoto

arxiv:1908.05691 v1 · 2019-08-15 · 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{R5KJB7UFCSFTRGSD3L2FW2HGI7}

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	2026-07-04T23:57:52.433909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f5490fe85148b389a43daf45b68e647eb03c865db0c3d41a6bf802f8d680657

Aliases

arxiv: 1908.05691 · arxiv_version: 1908.05691v1 · doi: 10.48550/arxiv.1908.05691 · pith_short_12: R5KJB7UFCSFT · pith_short_16: R5KJB7UFCSFTRGSD · pith_short_8: R5KJB7UF

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/R5KJB7UFCSFTRGSD3L2FW2HGI7 \
  | 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: 8f5490fe85148b389a43daf45b68e647eb03c865db0c3d41a6bf802f8d680657

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a1d938b5b30fc97a63bdb72ddcebf021718742145ef8627c6bd108b7435c41d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-15T18:04:39Z",
    "title_canon_sha256": "2fd40be5df48bfa13f300fd26ec2717ea1405e59c16bea8476ae169f22ff0bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05691",
    "kind": "arxiv",
    "version": 1
  }
}