Pith Number

pith:KAU5T3F2

pith:2017:KAU5T3F2B7HND2W5EI6ZPUQNX5

not attested not anchored not stored refs pending

A History of Metaheuristics

Fred Glover, Kenneth Sorensen, Marc Sevaux

arxiv:1704.00853 v1 · 2017-04-04 · 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{KAU5T3F2B7HND2W5EI6ZPUQNX5}

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	2026-05-18T00:47:19.047688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5029d9ecba0fced1eadd223d97d20dbf459d41104f8b6c7e64c89038c742c050

Aliases

arxiv: 1704.00853 · arxiv_version: 1704.00853v1 · doi: 10.48550/arxiv.1704.00853 · pith_short_12: KAU5T3F2B7HN · pith_short_16: KAU5T3F2B7HND2W5 · pith_short_8: KAU5T3F2

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/KAU5T3F2B7HND2W5EI6ZPUQNX5 \
  | 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: 5029d9ecba0fced1eadd223d97d20dbf459d41104f8b6c7e64c89038c742c050

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99c9702afa94cce1a16b38eb130a5aed319a09c176d06e476b172411dd25ed93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-04-04T02:28:59Z",
    "title_canon_sha256": "f8a820ff41e23cd15391b959e5091eaa7b57c9387d409d8e6ef2b324498cd26e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00853",
    "kind": "arxiv",
    "version": 1
  }
}