Pith Number

pith:FV7WEMEY

pith:2026:FV7WEMEY5KRV7MVC4NNRBMGUMH

not attested not anchored not stored refs pending

A PubMed-Scale Dataset of Structured Biomedical Abstracts

Brian Ondov, Chia-Hsuan Chang, Haerin Song, Hua Xu

arxiv:2606.11361 v1 · 2026-06-09 · cs.IR · 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{FV7WEMEY5KRV7MVC4NNRBMGUMH}

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	2026-06-11T00:08:21.671380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d7f623098eaa35fb2a2e35b10b0d461ed15a8b3a0e6ca46e8a769f73b623865

Aliases

arxiv: 2606.11361 · arxiv_version: 2606.11361v1 · doi: 10.48550/arxiv.2606.11361 · pith_short_12: FV7WEMEY5KRV · pith_short_16: FV7WEMEY5KRV7MVC · pith_short_8: FV7WEMEY

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/FV7WEMEY5KRV7MVC4NNRBMGUMH \
  | 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: 2d7f623098eaa35fb2a2e35b10b0d461ed15a8b3a0e6ca46e8a769f73b623865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d49bf40e910fd8b00c447d5478fd6189e00bdd1be8c9c56edad51e3397a93e1d",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-09T18:42:20Z",
    "title_canon_sha256": "32227685af7c523dc569d6d571bb833743e38e0f1532e23b362fca6122385c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11361",
    "kind": "arxiv",
    "version": 1
  }
}