Pith Number

pith:YXGQXROA

pith:2012:YXGQXROAYEVW2XBKLX72N235NW

not attested not anchored not stored refs pending

Scaling Genetic Programming for Source Code Modification

Brendan Cody-Kenny, Stephen Barrett

arxiv:1211.5098 v1 · 2012-11-21 · cs.NE · cs.SE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXGQXROAYEVW2XBKLX72N235NW}

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	2026-05-18T03:40:15.050632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5cd0bc5c0c12b6d5c2a5dffa6eb7d6d9bb4a5e4a7ee44dbf75e593184cd2c5e

Aliases

arxiv: 1211.5098 · arxiv_version: 1211.5098v1 · doi: 10.48550/arxiv.1211.5098 · pith_short_12: YXGQXROAYEVW · pith_short_16: YXGQXROAYEVW2XBK · pith_short_8: YXGQXROA

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/YXGQXROAYEVW2XBKLX72N235NW \
  | 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: c5cd0bc5c0c12b6d5c2a5dffa6eb7d6d9bb4a5e4a7ee44dbf75e593184cd2c5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21010a00af5ce768635d42e20f50b4f8c359a2607f0b08455eeb1ec20be82fa9",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2012-11-21T17:32:52Z",
    "title_canon_sha256": "0b45737267295933e7351b7bb7132bc103c8d7cafb654c3b780247b99fcc08a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5098",
    "kind": "arxiv",
    "version": 1
  }
}