Pith Number

pith:OOHSPBMJ

pith:2012:OOHSPBMJVVCL5JX3U22FIWF7YE

not attested not anchored not stored refs pending

An ontology-based approach for semantics ranking of the web search engines results

Abdelkrim Bouramoul, Bich-Li\^en Doan, Mohamed-Khireddine Kholladi

arxiv:1212.2587 v1 · 2012-12-11 · 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{OOHSPBMJVVCL5JX3U22FIWF7YE}

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	2026-05-18T03:38:44.184990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

738f278589ad44bea6fba6b45458bfc139206fee8d4280c55831b6b8a970fdb2

Aliases

arxiv: 1212.2587 · arxiv_version: 1212.2587v1 · doi: 10.48550/arxiv.1212.2587 · pith_short_12: OOHSPBMJVVCL · pith_short_16: OOHSPBMJVVCL5JX3 · pith_short_8: OOHSPBMJ

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/OOHSPBMJVVCL5JX3U22FIWF7YE \
  | 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: 738f278589ad44bea6fba6b45458bfc139206fee8d4280c55831b6b8a970fdb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c3357e57007b2cd592393e6395e94204e3a9ce0a848f66d4066b908bd94f5f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-12-11T18:58:13Z",
    "title_canon_sha256": "1d4828929b05e1fdcc90b18d55b73da24ca8d132cad1bb46360f4a89b5af4c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2587",
    "kind": "arxiv",
    "version": 1
  }
}