Pith Number

pith:4KVAMZRF

pith:2019:4KVAMZRFVNGVZBRGIPUYE7MYEB

not attested not anchored not stored refs pending

Stochastic estimations of a total number of classes for the clusterings with too enormous samples to be accommodate into a clustering engine

Genki I. Prayogo, Keishu Utimula, Kenta Hongo, Kousuke Nakano, Ryo Maezono

arxiv:1911.08071 v2 · 2019-11-19 · physics.comp-ph · cond-mat.mtrl-sci · physics.data-an

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KVAMZRFVNGVZBRGIPUYE7MYEB}

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	2026-07-05T02:33:04.162624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2aa066625ab4d5c862643e9827d982065ecd74a65ec7a677ce47bc357cd0d91

Aliases

arxiv: 1911.08071 · arxiv_version: 1911.08071v2 · doi: 10.48550/arxiv.1911.08071 · pith_short_12: 4KVAMZRFVNGV · pith_short_16: 4KVAMZRFVNGVZBRG · pith_short_8: 4KVAMZRF

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/4KVAMZRFVNGVZBRGIPUYE7MYEB \
  | 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: e2aa066625ab4d5c862643e9827d982065ecd74a65ec7a677ce47bc357cd0d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6062ba6ec613861a4aad4591af0ffdab09be7517da94bd9602e05f1df98e4edc",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-11-19T03:15:12Z",
    "title_canon_sha256": "ba2eb4e917d923eb4827726934fae9c15ebd613f28e8f277544a426d17952f4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08071",
    "kind": "arxiv",
    "version": 2
  }
}