Pith Number

pith:YYQMHTUJ

pith:2012:YYQMHTUJM34PILBHO467XZFL6Z

not attested not anchored not stored refs pending

MultiDendrograms: Variable-Group Agglomerative Hierarchical Clusterings

Alberto Fernandez, David Torres, Justo Montiel, Sergio Gomez

arxiv:1201.1623 v2 · 2012-01-08 · cs.IR · math.ST · physics.comp-ph · physics.data-an · q-fin.CP · stat.CO · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYQMHTUJM34PILBHO467XZFL6Z}

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	2026-05-18T02:21:18.746477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c620c3ce8966f8f42c27773dfbe4abf67aaef4ba61502d7819101df7f45c0300

Aliases

arxiv: 1201.1623 · arxiv_version: 1201.1623v2 · doi: 10.48550/arxiv.1201.1623 · pith_short_12: YYQMHTUJM34P · pith_short_16: YYQMHTUJM34PILBH · pith_short_8: YYQMHTUJ

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/YYQMHTUJM34PILBHO467XZFL6Z \
  | 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: c620c3ce8966f8f42c27773dfbe4abf67aaef4ba61502d7819101df7f45c0300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d053f780c6ea607245fcfed86c913cd773c266d7a27597aa56efd7ebfb7d73aa",
    "cross_cats_sorted": [
      "math.ST",
      "physics.comp-ph",
      "physics.data-an",
      "q-fin.CP",
      "stat.CO",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-01-08T11:03:42Z",
    "title_canon_sha256": "e2954f953d7a3f07aee4db584327653bd46a95a9d24a0504e785d49aacae362f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1623",
    "kind": "arxiv",
    "version": 2
  }
}