Pith Number

pith:77OZXZE5

pith:2026:77OZXZE5Z76NJT7JJB7YN3FNVE

not attested not anchored not stored refs pending

Ontology-driven personalized information retrieval for XML documents

Ahmed-ouamer Rachid, Ounnaci Iddir, Tai Dinh

arxiv:2603.21139 v2 · 2026-03-22 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77OZXZE5Z76NJT7JJB7YN3FNVE}

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	2026-07-30T00:08:13.603795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

ffdd9be49dcffcd4cfe9487f86ecada9387826a27090e78e30e0401ee3990c17

Aliases

arxiv: 2603.21139 · arxiv_version: 2603.21139v2 · doi: 10.48550/arxiv.2603.21139 · pith_short_12: 77OZXZE5Z76N · pith_short_16: 77OZXZE5Z76NJT7J · pith_short_8: 77OZXZE5

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/77OZXZE5Z76NJT7JJB7YN3FNVE \
  | 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: ffdd9be49dcffcd4cfe9487f86ecada9387826a27090e78e30e0401ee3990c17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b4b4869532edba8bbdd106d6d1bc2be84c345696fccb4c7ef1057366050166",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-03-22T09:29:43Z",
    "title_canon_sha256": "6bc08dfc4d876a272b7a9b008077d0c31ba2a9c4016c9a15adf49b9347e87ae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.21139",
    "kind": "arxiv",
    "version": 2
  }
}