Pith Number

pith:QFWG4VOR

pith:2012:QFWG4VOR7VWVVGIFSYSRKZBBFK

not attested not anchored not stored refs pending

Co-clustering separately exchangeable network data

David Choi, Patrick J. Wolfe

arxiv:1212.4093 v5 · 2012-12-17 · math.ST · cs.SI · math.CO · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFWG4VOR7VWVVGIFSYSRKZBBFK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:02:05.777826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816c6e55d1fd6d5a990596251564212aa89dea90d98ed8e8658e276aa4af951d

Aliases

arxiv: 1212.4093 · arxiv_version: 1212.4093v5 · doi: 10.48550/arxiv.1212.4093 · pith_short_12: QFWG4VOR7VWV · pith_short_16: QFWG4VOR7VWVVGIF · pith_short_8: QFWG4VOR

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/QFWG4VOR7VWVVGIFSYSRKZBBFK \
  | 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: 816c6e55d1fd6d5a990596251564212aa89dea90d98ed8e8658e276aa4af951d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e9f427f8a4ba0daa008c28b88130fe5e058caf3f0329afba14fa6c8f80faf1e",
    "cross_cats_sorted": [
      "cs.SI",
      "math.CO",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-12-17T18:31:53Z",
    "title_canon_sha256": "5fb1f5101d845d36f770e6d206263117a1e9c1f24827dc9e46dcb44e8060b3d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4093",
    "kind": "arxiv",
    "version": 5
  }
}