Pith Number

pith:4TAPFVMA

pith:2012:4TAPFVMAGZGRTLDCZW62T3ZXIO

not attested not anchored not stored refs pending

First-improvement vs. Best-improvement Local Optima Networks of NK Landscapes

Gabriela Ochoa, Marco Tomassini (ISI), S\'ebastien Verel (INRIA Lille - Nord Europe)

arxiv:1207.4455 v1 · 2012-07-18 · cs.NE · 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{4TAPFVMAGZGRTLDCZW62T3ZXIO}

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	2026-05-18T03:50:38.113377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c0f2d580364d19ac62cdbda9ef37439f80c438c4fc91a8373cd95afaf91633

Aliases

arxiv: 1207.4455 · arxiv_version: 1207.4455v1 · doi: 10.48550/arxiv.1207.4455 · pith_short_12: 4TAPFVMAGZGR · pith_short_16: 4TAPFVMAGZGRTLDC · pith_short_8: 4TAPFVMA

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/4TAPFVMAGZGRTLDCZW62T3ZXIO \
  | 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: e4c0f2d580364d19ac62cdbda9ef37439f80c438c4fc91a8373cd95afaf91633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d62c888b0df55009b6b751f38580d81b6b6d57f8086d397a5bb19e4033ad00c0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2012-07-18T19:13:36Z",
    "title_canon_sha256": "4d28334cf6b6691a36b4c8aa99df4f4ed4d56279aa11ab050369d6f1db0f9e71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4455",
    "kind": "arxiv",
    "version": 1
  }
}