Pith Number

pith:XJU3ZMPD

pith:2013:XJU3ZMPD6WXTCR6FCF3APKKA7U

not attested not anchored not stored refs pending

Demystifying Information-Theoretic Clustering

Aram Galstyan, Fei Sha, Greg Ver Steeg, Simon DeDeo

arxiv:1310.4210 v2 · 2013-10-15 · cs.LG · cs.IT · math.IT · physics.data-an · 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{XJU3ZMPD6WXTCR6FCF3APKKA7U}

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	2026-05-18T03:00:00.523802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba69bcb1e3f5af3147c5117607a940fd32b2ea39aee527255dd35b27e740afd5

Aliases

arxiv: 1310.4210 · arxiv_version: 1310.4210v2 · doi: 10.48550/arxiv.1310.4210 · pith_short_12: XJU3ZMPD6WXT · pith_short_16: XJU3ZMPD6WXTCR6F · pith_short_8: XJU3ZMPD

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/XJU3ZMPD6WXTCR6FCF3APKKA7U \
  | 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: ba69bcb1e3f5af3147c5117607a940fd32b2ea39aee527255dd35b27e740afd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "233d681cd57afae3f001bc433568ad0754bd4e022b25f5bd95b72f97783a32f5",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "physics.data-an",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-10-15T21:19:22Z",
    "title_canon_sha256": "4b077712341cbeae0a5af32ff3f0081aff585d09e832c9445659508894bfae44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4210",
    "kind": "arxiv",
    "version": 2
  }
}