Pith Number

pith:7BBN6DRW

pith:2012:7BBN6DRWCD4527HK23ZIUNCP7P

not attested not anchored not stored refs pending

A scalable mining of frequent quadratic concepts in d-folksonomies

Engelbert Mephu Nguifo, Mohamed Nader Jelassi, Sadok Ben Yahia

arxiv:1212.0087 v1 · 2012-12-01 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BBN6DRWCD4527HK23ZIUNCP7P}

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	2026-05-18T03:39:27.345729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f842df0e3610f9dd7cead6f28a344ffbe571cef97a9205004e9bb56a8fd2d405

Aliases

arxiv: 1212.0087 · arxiv_version: 1212.0087v1 · doi: 10.48550/arxiv.1212.0087 · pith_short_12: 7BBN6DRWCD45 · pith_short_16: 7BBN6DRWCD4527HK · pith_short_8: 7BBN6DRW

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/7BBN6DRWCD4527HK23ZIUNCP7P \
  | 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: f842df0e3610f9dd7cead6f28a344ffbe571cef97a9205004e9bb56a8fd2d405

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa519152179da9440ffc41d36ed18f4327c656e04a74a1418c5e9d63d573298",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-12-01T09:16:35Z",
    "title_canon_sha256": "2e3fd6e760466455c9d7df905795b70ff0a3a439db9e161a4757a18e67154fa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0087",
    "kind": "arxiv",
    "version": 1
  }
}