Pith Number

pith:PXG5JDBZ

pith:2015:PXG5JDBZLDHLXRZMQNB5JCP3HS

not attested not anchored not stored refs pending

Towards an intelligent VNS heuristic for the k-labelled spanning forest problem

Jos\`e Andr\`es Moreno P\`erez, Nenad Mladenovic, Sergio Consoli

arxiv:1503.02009 v1 · 2015-03-05 · cs.OH · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PXG5JDBZLDHLXRZMQNB5JCP3HS}

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	2026-05-18T02:25:27.071749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dcdd48c3958cebbc72c8343d489fb3cbdf714ce3cdbf7a2b5e8f0ec6c247eb5

Aliases

arxiv: 1503.02009 · arxiv_version: 1503.02009v1 · doi: 10.48550/arxiv.1503.02009 · pith_short_12: PXG5JDBZLDHL · pith_short_16: PXG5JDBZLDHLXRZM · pith_short_8: PXG5JDBZ

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/PXG5JDBZLDHLXRZMQNB5JCP3HS \
  | 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: 7dcdd48c3958cebbc72c8343d489fb3cbdf714ce3cdbf7a2b5e8f0ec6c247eb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e9e0d1966d2e3c1d24e25f47df6061efcc8d894e577866db96f2948151cc82",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2015-03-05T14:10:19Z",
    "title_canon_sha256": "c98146bc7a089bffecc9dbee1f11b03285000114dd5de20a81eaa0956916bfa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02009",
    "kind": "arxiv",
    "version": 1
  }
}