Pith Number

pith:CA7DWSWH

pith:2013:CA7DWSWHTOXE2QEBZAGFHEA7YN

not attested not anchored not stored refs pending

An Information-Theoretic Analysis of Hard and Soft Assignment Methods for Clustering

Andrew Y. Ng, Michael Kearns, Yishay Mansour

arxiv:1302.1552 v1 · 2013-02-06 · 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{CA7DWSWHTOXE2QEBZAGFHEA7YN}

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	2026-05-18T03:34:15.592362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103e3b4ac79bae4d4081c80c53901fc36ff6317da836e452e1af43648218825a

Aliases

arxiv: 1302.1552 · arxiv_version: 1302.1552v1 · doi: 10.48550/arxiv.1302.1552 · pith_short_12: CA7DWSWHTOXE · pith_short_16: CA7DWSWHTOXE2QEB · pith_short_8: CA7DWSWH

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/CA7DWSWHTOXE2QEBZAGFHEA7YN \
  | 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: 103e3b4ac79bae4d4081c80c53901fc36ff6317da836e452e1af43648218825a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f82d674e2b987ae13e487cec2055f7a604f10688ee4910bb1b176582340650f8",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-02-06T15:57:20Z",
    "title_canon_sha256": "42c4650a9ebbdd3b219c65c3bfd580bf26a8b4ac0e4d4505a9fe133ec2009570"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1552",
    "kind": "arxiv",
    "version": 1
  }
}