Pith Number

pith:I3N5QJNZ

pith:2013:I3N5QJNZL3SDRF6YQUDUABN6PG

not attested not anchored not stored refs pending

Axioms for graph clustering quality functions

Elena Marchiori, Twan van Laarhoven

arxiv:1308.3383 v2 · 2013-08-15 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I3N5QJNZL3SDRF6YQUDUABN6PG}

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	2026-05-18T02:47:07.770417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46dbd825b95ee43897d885074005be798aaba029bd40bddaea57d42c7ead4128

Aliases

arxiv: 1308.3383 · arxiv_version: 1308.3383v2 · doi: 10.48550/arxiv.1308.3383 · pith_short_12: I3N5QJNZL3SD · pith_short_16: I3N5QJNZL3SDRF6Y · pith_short_8: I3N5QJNZ

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/I3N5QJNZL3SDRF6YQUDUABN6PG \
  | 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: 46dbd825b95ee43897d885074005be798aaba029bd40bddaea57d42c7ead4128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe9bf8bae36c327423eead690859af47aafe1fae73d98e2a306ba2c78c42ce4b",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-08-15T13:22:24Z",
    "title_canon_sha256": "971e2c0e4d53ca1fc063c7ba8431d39c0c57cc08fcdadd0a5f8feb8c39e5601b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3383",
    "kind": "arxiv",
    "version": 2
  }
}