Pith Number

pith:4PYNI7MC

pith:2013:4PYNI7MCHUS6MERLRCVYDHCEVH

not attested not anchored not stored refs pending

Convex Relaxations of Bregman Divergence Clustering

Dale Schuurmans, Hao Cheng, Xinhua Zhang

arxiv:1309.6823 v1 · 2013-09-26 · 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{4PYNI7MCHUS6MERLRCVYDHCEVH}

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	2026-05-18T03:12:10.320533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f0d47d823d25e6122b88ab819c44a9f92f433c535a78de003149c6617c31cd

Aliases

arxiv: 1309.6823 · arxiv_version: 1309.6823v1 · doi: 10.48550/arxiv.1309.6823 · pith_short_12: 4PYNI7MCHUS6 · pith_short_16: 4PYNI7MCHUS6MERL · pith_short_8: 4PYNI7MC

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/4PYNI7MCHUS6MERLRCVYDHCEVH \
  | 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: e3f0d47d823d25e6122b88ab819c44a9f92f433c535a78de003149c6617c31cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "209db88519d7be375f186bcdaae2f549548c92c3e325356a37819bd084047843",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-09-26T12:36:30Z",
    "title_canon_sha256": "5127a2637f0c06d736230bc68b11fe59bef6f046808684f318ae70de35b26dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6823",
    "kind": "arxiv",
    "version": 1
  }
}