Pith Number

pith:SQFQ35JX

pith:2013:SQFQ35JXSCWXDWYQBWFTNCIW23

not attested not anchored not stored refs pending

FindZebra: A search engine for rare diseases

2), (2) Department of Computer Science, 3), (3) Findwise, (4) Information Systems, (5) Department of Clinical Biochemistry, 6), (6) Department of Computer Science, Birger Larsen (4), Bispebjerg Hospital, Christina Lioma (1, Copenhagen, Denmark, Henrik L. J{\o}rgensen (5), Information Science, Ingemar J. Cox (1, Interaction Design, Lars Kai Hansen (1), London, Ole Winther (1) ((1) DTU Compute, Paula Petcu (1, Peter Ingwersen (4), Radu Dragusin (1, Royal School of Library, Technical University of Denmark, United Kingdom), University College London, University of Copenhagen

arxiv:1303.3229 v1 · 2013-03-13 · cs.IR · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQFQ35JXSCWXDWYQBWFTNCIW23}

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	2026-05-18T03:30:56.313814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

940b0df53790ad71db100d8b368916d6eff370a2bf3a3d46108438465719ebcf

Aliases

arxiv: 1303.3229 · arxiv_version: 1303.3229v1 · doi: 10.48550/arxiv.1303.3229 · pith_short_12: SQFQ35JXSCWX · pith_short_16: SQFQ35JXSCWXDWYQ · pith_short_8: SQFQ35JX

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/SQFQ35JXSCWXDWYQBWFTNCIW23 \
  | 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: 940b0df53790ad71db100d8b368916d6eff370a2bf3a3d46108438465719ebcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16989052fdfbf799944416aef5f8945daade8396a4b5c63985fb1fb4abe92ad0",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-03-13T17:47:57Z",
    "title_canon_sha256": "3ff1d870a97c98fc5804e90366d78773bc751042a016f473c687abfb34b5d860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3229",
    "kind": "arxiv",
    "version": 1
  }
}