Pith Number

pith:6TYY6W44

pith:2025:6TYY6W44BDQRV2JAAXUTTLASKJ

not attested not anchored not stored refs pending

A Standardized Benchmark Set of Clustering Problem Instances for Comparing Black-Box Optimizers

Catalin-Viorel Dinu, Diederick Vermetten, Marcus Gallagher

arxiv:2505.09233 v1 · 2025-05-14 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6TYY6W44BDQRV2JAAXUTTLASKJ}

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	2026-07-05T11:02:52.596378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4f18f5b9c08e11ae92005e939ac12526c0c47866103f5fa77b99bb1801a8ca6

Aliases

arxiv: 2505.09233 · arxiv_version: 2505.09233v1 · doi: 10.48550/arxiv.2505.09233 · pith_short_12: 6TYY6W44BDQR · pith_short_16: 6TYY6W44BDQRV2JA · pith_short_8: 6TYY6W44

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/6TYY6W44BDQRV2JAAXUTTLASKJ \
  | 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: f4f18f5b9c08e11ae92005e939ac12526c0c47866103f5fa77b99bb1801a8ca6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f97f25ca8fa62973761374311a71156af773691d2ef537e309433323e92f1d57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2025-05-14T09:16:19Z",
    "title_canon_sha256": "753f4dd35cb21f6ff57a4137bdd0de5d37eaf9cd4655260c8f42c439f485f073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.09233",
    "kind": "arxiv",
    "version": 1
  }
}