Pith Number

pith:QZKW2PV3

pith:2012:QZKW2PV322K4DQXTRGZE2WVD7R

not attested not anchored not stored refs pending

Clustering is difficult only when it does not matter

Amit Daniely, Michael Saks, Nati Linial

arxiv:1205.4891 v1 · 2012-05-22 · cs.LG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZKW2PV322K4DQXTRGZE2WVD7R}

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

3 papers in Pith

Analysis of Ward's Method

Provable Accuracy Collapse in Embedding-Based Representations under Dimensionality Mismatch

Optimal Phylogenetic Reconstruction from Sampled Quartets

Receipt and verification

First computed	2026-05-18T03:55:11.395708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86556d3ebbd695c1c2f389b24d5aa3fc7192f956811c1769d44b6278f1f93337

Aliases

arxiv: 1205.4891 · arxiv_version: 1205.4891v1 · doi: 10.48550/arxiv.1205.4891 · pith_short_12: QZKW2PV322K4 · pith_short_16: QZKW2PV322K4DQXT · pith_short_8: QZKW2PV3

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/QZKW2PV322K4DQXTRGZE2WVD7R \
  | 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: 86556d3ebbd695c1c2f389b24d5aa3fc7192f956811c1769d44b6278f1f93337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a3bf0839cf9cc02ca8ec31cacd7b5cd260c94b1cf2dd6afab13f4712eae111",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-05-22T12:25:01Z",
    "title_canon_sha256": "6f8fe100365bd55c532a48c34df78fae22f70e8c5736664b4100ebbaf40cf3a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4891",
    "kind": "arxiv",
    "version": 1
  }
}