Pith Number

pith:HSI7Z3T6

pith:2025:HSI7Z3T6JC45ILUMIXS3ZFIZ7G

not attested not anchored not stored refs pending

Efficient Heuristics Generation for Solving Combinatorial Optimization Problems Using Large Language Models

Chunguo Wu, Chunyan Miao, Di Wang, Lijie Wen, Xuan Wu, You Zhou, Yubin Xiao

arxiv:2505.12627 v2 · 2025-05-19 · 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{HSI7Z3T6JC45ILUMIXS3ZFIZ7G}

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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	2026-07-05T11:19:27.029949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c91fcee7e48b9d42e8c45e5bc9519f9b4c995ad55070ab308d426012a9ca8ac

Aliases

arxiv: 2505.12627 · arxiv_version: 2505.12627v2 · doi: 10.48550/arxiv.2505.12627 · pith_short_12: HSI7Z3T6JC45 · pith_short_16: HSI7Z3T6JC45ILUM · pith_short_8: HSI7Z3T6

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/HSI7Z3T6JC45ILUMIXS3ZFIZ7G \
  | 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: 3c91fcee7e48b9d42e8c45e5bc9519f9b4c995ad55070ab308d426012a9ca8ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27f87ae0dd7a51d105ee2e85e70f8d21db7bcc3aefa8b9bb93d92aacf6491e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2025-05-19T02:20:46Z",
    "title_canon_sha256": "f7c16fef059391e459a611c1b094bcb57044e28a7feb965e663a33116adbe0e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12627",
    "kind": "arxiv",
    "version": 2
  }
}