Pith Number

pith:IIFQ2LPR

pith:2013:IIFQ2LPRW5ONRSEDLSGYWU7ZTG

not attested not anchored not stored refs pending

Using Genetic Programming to Model Software

M. Harman, W. B. Langdon

arxiv:1306.5667 v1 · 2013-06-24 · 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{IIFQ2LPRW5ONRSEDLSGYWU7ZTG}

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	2026-05-18T03:20:07.302492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420b0d2df1b75cd8c8835c8d8b53f999a1bcd22eee3c1b10ff5a44f125f34da8

Aliases

arxiv: 1306.5667 · arxiv_version: 1306.5667v1 · doi: 10.48550/arxiv.1306.5667 · pith_short_12: IIFQ2LPRW5ON · pith_short_16: IIFQ2LPRW5ONRSED · pith_short_8: IIFQ2LPR

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/IIFQ2LPRW5ONRSEDLSGYWU7ZTG \
  | 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: 420b0d2df1b75cd8c8835c8d8b53f999a1bcd22eee3c1b10ff5a44f125f34da8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9382cc2833399aa6692e0b7b5fd4394feb4327771ec069c762a7e3f97ba83ed1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2013-06-24T16:35:37Z",
    "title_canon_sha256": "514502a930a4d8f28dc89b625b3270a2cd6b1eb7f480133d087c728caa0b01ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5667",
    "kind": "arxiv",
    "version": 1
  }
}