Pith Number

pith:IQMTPYRO

pith:2023:IQMTPYRONMWZXDY64OJU7HCBO5

not attested not anchored not stored refs pending

Inapproximability of Maximum Diameter Clustering for Few Clusters

Ashwin Padaki, Henry Fleischmann, Karthik C. S., Kyrylo Karlov, Stepan Zharkov

arxiv:2312.02097 v2 · 2023-12-04 · cs.CG · cs.CC · 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{IQMTPYRONMWZXDY64OJU7HCBO5}

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	2026-07-05T08:04:35.830443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

441937e22e6b2d9b8f1ee3934f9c41776d36470f3aed8568236fbfb1da462b77

Aliases

arxiv: 2312.02097 · arxiv_version: 2312.02097v2 · doi: 10.48550/arxiv.2312.02097 · pith_short_12: IQMTPYRONMWZ · pith_short_16: IQMTPYRONMWZXDY6 · pith_short_8: IQMTPYRO

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/IQMTPYRONMWZXDY64OJU7HCBO5 \
  | 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: 441937e22e6b2d9b8f1ee3934f9c41776d36470f3aed8568236fbfb1da462b77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34512f3bf83d9371e20a9605441626281f2ba7eb874ea7c7421933eac57338c0",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2023-12-04T18:16:27Z",
    "title_canon_sha256": "2cbc28423223a888ef7cb9808fda8692ecf541e50412a8d22db1fec929389fc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.02097",
    "kind": "arxiv",
    "version": 2
  }
}