Pith Number

pith:QC6JHLYM

pith:2013:QC6JHLYMYGO26T5FRBPPNDCX5X

not attested not anchored not stored refs pending

Concept-based indexing in text information retrieval

Fatiha Boubekeur, Wassila Azzoug

arxiv:1303.1703 v1 · 2013-03-07 · 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{QC6JHLYMYGO26T5FRBPPNDCX5X}

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	2026-05-18T03:31:33.386853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80bc93af0cc19daf4fa5885ef68c57ede331e466b75222360c1aa2f31e1589e5

Aliases

arxiv: 1303.1703 · arxiv_version: 1303.1703v1 · doi: 10.48550/arxiv.1303.1703 · pith_short_12: QC6JHLYMYGO2 · pith_short_16: QC6JHLYMYGO26T5F · pith_short_8: QC6JHLYM

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/QC6JHLYMYGO26T5FRBPPNDCX5X \
  | 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: 80bc93af0cc19daf4fa5885ef68c57ede331e466b75222360c1aa2f31e1589e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1d017cf1199cf8ab7f1a28105a06634448ff6461930f6a229088ac54d7ffd55",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-03-07T14:46:17Z",
    "title_canon_sha256": "8c7b1683064b8dcf1126db45a416d1f99700cbe48457a6ad3cf9ca3b28f695a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1703",
    "kind": "arxiv",
    "version": 1
  }
}