Pith Number

pith:UONHQXDT

pith:2019:UONHQXDTCB6LRSCDGRDMA7MZRB

not attested not anchored not stored refs pending

Big-Data Clustering: K-Means or K-Indicators?

Feiyu Chen, Liwei Xu, Taiping Zhang, Yin Zhang, Yuchen Yang

arxiv:1906.00938 v1 · 2019-06-03 · cs.LG · cs.CV · math.OC · 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{UONHQXDTCB6LRSCDGRDMA7MZRB}

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	2026-05-17T23:44:23.447474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a39a785c73107cb8c8433446c07d99885c46420f28bdc4929cd2bdedc03579ef

Aliases

arxiv: 1906.00938 · arxiv_version: 1906.00938v1 · doi: 10.48550/arxiv.1906.00938 · pith_short_12: UONHQXDTCB6L · pith_short_16: UONHQXDTCB6LRSCD · pith_short_8: UONHQXDT

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/UONHQXDTCB6LRSCDGRDMA7MZRB \
  | 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: a39a785c73107cb8c8433446c07d99885c46420f28bdc4929cd2bdedc03579ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "580b167a69ed3ee0805b93918e0513e5c497c87f5c19ab43bb66147a2d2d2c92",
    "cross_cats_sorted": [
      "cs.CV",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-03T17:30:24Z",
    "title_canon_sha256": "55156ba82bd0e3cd9e2bd7753c7e746413ad10779495f895c86eb555b9937788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00938",
    "kind": "arxiv",
    "version": 1
  }
}