Pith Number

pith:PDYGV4LQ

pith:2024:PDYGV4LQ7UNKH5ZNFZ2PST7WX5

not attested not anchored not stored refs pending

When to use simulated annealing for solving CVRP? A case study of fuel deliveries in Poland

Vitalii Naumov

arxiv:2412.09293 v1 · 2024-12-12 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDYGV4LQ7UNKH5ZNFZ2PST7WX5}

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	2026-07-05T09:48:22.799560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f06af170fd1aa3f72d2e74f94ff6bf6793e316ec93fa201d41152865d54a17

Aliases

arxiv: 2412.09293 · arxiv_version: 2412.09293v1 · doi: 10.48550/arxiv.2412.09293 · pith_short_12: PDYGV4LQ7UNK · pith_short_16: PDYGV4LQ7UNKH5ZN · pith_short_8: PDYGV4LQ

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/PDYGV4LQ7UNKH5ZNFZ2PST7WX5 \
  | 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: 78f06af170fd1aa3f72d2e74f94ff6bf6793e316ec93fa201d41152865d54a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88e66e521d63443d4560bec47705f1d6594f292d88b67c42b215f8637f753e4f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-12-12T14:08:15Z",
    "title_canon_sha256": "274e347c9015c74f1ae4cec0eb630717ab826da1a18b42607ee31b20e72cae8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.09293",
    "kind": "arxiv",
    "version": 1
  }
}