Pith Number

pith:54ASJZO5

pith:2013:54ASJZO5I7NCTKVWPG4YYDDBYS

not attested not anchored not stored refs pending

Nouvelle approche de recommandation personnalisee dans les folksonomies basee sur le profil des utilisateurs

Engelbert Mephu Nguifo, Mohamed Nader Jelassi, Sadok Ben Yahia

arxiv:1305.4820 v1 · 2013-05-21 · 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{54ASJZO5I7NCTKVWPG4YYDDBYS}

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	2026-05-18T03:25:15.201542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef0124e5dd47da29aab679b98c0c61c4b6d2754ed2e9bf831402216161e29d88

Aliases

arxiv: 1305.4820 · arxiv_version: 1305.4820v1 · doi: 10.48550/arxiv.1305.4820 · pith_short_12: 54ASJZO5I7NC · pith_short_16: 54ASJZO5I7NCTKVW · pith_short_8: 54ASJZO5

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/54ASJZO5I7NCTKVWPG4YYDDBYS \
  | 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: ef0124e5dd47da29aab679b98c0c61c4b6d2754ed2e9bf831402216161e29d88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9c94cb04c6073a777bc686dcf77030a126504f74fd1050378118c9414a67eb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-05-21T13:59:51Z",
    "title_canon_sha256": "a0adb42f1acb2828e0eef7f18de7fbbe3ab73994d982a7d98dbc2a47114ea71d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4820",
    "kind": "arxiv",
    "version": 1
  }
}