Pith Number

pith:NUUYGHUM

pith:2009:NUUYGHUM77DA3Z5VTQZYXJWGOG

not attested not anchored not stored refs pending

Survival of the flexible: explaining the recent dominance of nature-inspired optimization within a rapidly evolving world

James M Whitacre

arxiv:0907.0332 v3 · 2009-07-02 · 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{NUUYGHUM77DA3Z5VTQZYXJWGOG}

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	2026-05-18T04:31:20.555131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d29831e8cffc60de7b59c338ba6c67182a4fc52d3a9cfcb2760861e031abf36

Aliases

arxiv: 0907.0332 · arxiv_version: 0907.0332v3 · doi: 10.48550/arxiv.0907.0332 · pith_short_12: NUUYGHUM77DA · pith_short_16: NUUYGHUM77DA3Z5V · pith_short_8: NUUYGHUM

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/NUUYGHUM77DA3Z5VTQZYXJWGOG \
  | 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: 6d29831e8cffc60de7b59c338ba6c67182a4fc52d3a9cfcb2760861e031abf36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e6b4e8563570eebed746706f9ba734baea8569a3920c1f26f82381d49f5c47",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2009-07-02T10:27:23Z",
    "title_canon_sha256": "12513429ade7a2a717861bc694260f9a27beecab48fee2ab8f178e8bcf0beaa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0332",
    "kind": "arxiv",
    "version": 3
  }
}