Pith Number

pith:7YBKQCI4

pith:2015:7YBKQCI47Y2YFCKDKKVCNAHD5I

not attested not anchored not stored refs pending

Computational Feasibility of Clustering under Clusterability Assumptions

Shai Ben-David

arxiv:1501.00437 v1 · 2015-01-02 · cs.CC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YBKQCI47Y2YFCKDKKVCNAHD5I}

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.

Cited by

1 paper in Pith

Analysis of Ward's Method

Receipt and verification

First computed	2026-05-18T02:30:09.182419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe02a8091cfe3582894352aa2680e3ea1cb2da09e89a343d28173015a35bf514

Aliases

arxiv: 1501.00437 · arxiv_version: 1501.00437v1 · doi: 10.48550/arxiv.1501.00437 · pith_short_12: 7YBKQCI47Y2Y · pith_short_16: 7YBKQCI47Y2YFCKD · pith_short_8: 7YBKQCI4

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/7YBKQCI47Y2YFCKDKKVCNAHD5I \
  | 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: fe02a8091cfe3582894352aa2680e3ea1cb2da09e89a343d28173015a35bf514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3443f3e8e82e0f0b06843920f72a2df0320b96450c89a29012a10c7622d6e82c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-01-02T17:10:52Z",
    "title_canon_sha256": "132fb5fa945aee42510e719840f756cf9ac2e60ea07d5cc972bb6e7ffadde489"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00437",
    "kind": "arxiv",
    "version": 1
  }
}