Pith Number

pith:5WMJCPXV

pith:2013:5WMJCPXVXYRAY3PO4MEOSFAQ7M

not attested not anchored not stored refs pending

Semi-Supervised Information-Maximization Clustering

Daniele Calandriello, Gang Niu, Masashi Sugiyama

arxiv:1304.8020 v2 · 2013-04-30 · 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{5WMJCPXVXYRAY3PO4MEOSFAQ7M}

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	2026-05-18T03:26:42.305595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed98913ef5be220c6deee308e91410fb3d6838c2b258118e26d266bf422c62a7

Aliases

arxiv: 1304.8020 · arxiv_version: 1304.8020v2 · doi: 10.48550/arxiv.1304.8020 · pith_short_12: 5WMJCPXVXYRA · pith_short_16: 5WMJCPXVXYRAY3PO · pith_short_8: 5WMJCPXV

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/5WMJCPXVXYRAY3PO4MEOSFAQ7M \
  | 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: ed98913ef5be220c6deee308e91410fb3d6838c2b258118e26d266bf422c62a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b646e74db456a468e8856fe5c6f7493ff7a04cef4ef7ed6c34c4119253c3ff1d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-04-30T14:59:49Z",
    "title_canon_sha256": "e71dd52b29cd13176ca84f31a563bfd159e1dd0495939a31af3ca84c6fab8e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.8020",
    "kind": "arxiv",
    "version": 2
  }
}