Pith Number

pith:TQPI6PSL

pith:2021:TQPI6PSL3P7WONPYEUDCDYU6SJ

not attested not anchored not stored refs pending

HAWKS: Evolving Challenging Benchmark Sets for Cluster Analysis

Andrew Webb, Cameron Shand, John Keane, Julia Handl, Richard Allmendinger

arxiv:2102.06940 v2 · 2021-02-13 · cs.NE · 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{TQPI6PSL3P7WONPYEUDCDYU6SJ}

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	2026-07-05T03:46:57.335498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c1e8f3e4bdbff6735f8250621e29e9272e669608b14b851141f52609b7228d0

Aliases

arxiv: 2102.06940 · arxiv_version: 2102.06940v2 · doi: 10.48550/arxiv.2102.06940 · pith_short_12: TQPI6PSL3P7W · pith_short_16: TQPI6PSL3P7WONPY · pith_short_8: TQPI6PSL

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/TQPI6PSL3P7WONPYEUDCDYU6SJ \
  | 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: 9c1e8f3e4bdbff6735f8250621e29e9272e669608b14b851141f52609b7228d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99bb3918cf9a1864ea8fc2c3ef56d877c7118fb46073cc09b5058c26257c323b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2021-02-13T15:01:34Z",
    "title_canon_sha256": "2ee772d08062ae6d81cb4457bf817ebc420460e8ef060e5c7064e3762426c400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06940",
    "kind": "arxiv",
    "version": 2
  }
}