Pith Number

pith:QV7O6RQM

pith:2012:QV7O6RQMFCWDQUCVBSDVCGKOE3

not attested not anchored not stored refs pending

Information Retrieval Systems Adapted to the Biomedical Domain

Jorge Morato, Jos\'e-Antonio Moreiro, Juli\'an Urbano, M\'onica Marrero, Sonia S\'anchez-Cuadrado

arxiv:1203.6845 v1 · 2012-03-30 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QV7O6RQMFCWDQUCVBSDVCGKOE3}

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	2026-05-18T03:58:52.120219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

857eef460c28ac3850550c8751194e26d82a8019dfb2aa00c1423ab90763d0d2

Aliases

arxiv: 1203.6845 · arxiv_version: 1203.6845v1 · doi: 10.48550/arxiv.1203.6845 · pith_short_12: QV7O6RQMFCWD · pith_short_16: QV7O6RQMFCWDQUCV · pith_short_8: QV7O6RQM

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/QV7O6RQMFCWDQUCVBSDVCGKOE3 \
  | 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: 857eef460c28ac3850550c8751194e26d82a8019dfb2aa00c1423ab90763d0d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fdbd4ca71fd37ef146b0685de334272243982cce7fad6d4769137e5fb7d636e",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-03-30T16:16:43Z",
    "title_canon_sha256": "42416bc85c12b95e48fb1f74c604b9dc258d95ea9e94b61b884f51c57feea277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6845",
    "kind": "arxiv",
    "version": 1
  }
}