Pith Number

pith:HWFSC5UN

pith:2019:HWFSC5UNP77VAJEO6ZLYLL6HFT

not attested not anchored not stored refs pending

Pre-trained Language Model for Biomedical Question Answering

Donghyeon Kim, Jaewoo Kang, Jinhyuk Lee, Minbyul Jeong, WonJin Yoon

arxiv:1909.08229 v1 · 2019-09-18 · 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{HWFSC5UNP77VAJEO6ZLYLL6HFT}

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	2026-07-05T00:05:28.532147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d8b21768d7fff50248ef65785afc72cfddb43331b1dd6c1a3796ad7c61d2e69

Aliases

arxiv: 1909.08229 · arxiv_version: 1909.08229v1 · doi: 10.48550/arxiv.1909.08229 · pith_short_12: HWFSC5UNP77V · pith_short_16: HWFSC5UNP77VAJEO · pith_short_8: HWFSC5UN

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/HWFSC5UNP77VAJEO6ZLYLL6HFT \
  | 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: 3d8b21768d7fff50248ef65785afc72cfddb43331b1dd6c1a3796ad7c61d2e69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cbc19e58677321ecf97348d6fc560e60d29c3bc560c4239a648af7dbca7499b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-18T06:53:30Z",
    "title_canon_sha256": "cf3774d9bf6724b91564c64c4fd21b620cec4b2c28291c59e455232ee726075e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08229",
    "kind": "arxiv",
    "version": 1
  }
}