Pith Number

pith:533TIIQN

pith:2012:533TIIQN4NIKNVDGFHK3MNJ2IS

not attested not anchored not stored refs pending

Meme as Building Block for Evolutionary Optimization of Problem Instances

Ah Hwee Tan, Ivor Wai-Hung Tsang, Liang Feng, Yew Soon Ong

arxiv:1207.0702 v1 · 2012-07-03 · 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{533TIIQN4NIKNVDGFHK3MNJ2IS}

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	2026-05-18T03:51:49.225085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eef734220de350a6d46629d5b6353a44bda8eee9e7da58e2f594b604d224db0a

Aliases

arxiv: 1207.0702 · arxiv_version: 1207.0702v1 · doi: 10.48550/arxiv.1207.0702 · pith_short_12: 533TIIQN4NIK · pith_short_16: 533TIIQN4NIKNVDG · pith_short_8: 533TIIQN

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/533TIIQN4NIKNVDGFHK3MNJ2IS \
  | 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: eef734220de350a6d46629d5b6353a44bda8eee9e7da58e2f594b604d224db0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "512496dc5e4db840bba0178a4237cf791665efe0073eaf1062365bb1ec1621c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2012-07-03T14:44:27Z",
    "title_canon_sha256": "a987394de0022c635d5811f9ea62e27cacedcc45838fc5a0b510c87aad567605"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0702",
    "kind": "arxiv",
    "version": 1
  }
}