Pith Number

pith:TAUXNFHX

pith:2019:TAUXNFHX35R7JKE4WDJK6747YM

not attested not anchored not stored refs pending

The State and Future of Genetic Improvement

Christopher Timperley, Eric Schulte, Gabin An, Kevin Leach, Nicolas Chausseau, Oliver Krauss, Shin Hwei Tan, Westley Weimer, William B. Langdon, Yiwei Lyu, Yu Huang, Zhen Yu Ding

arxiv:1907.03773 v1 · 2019-06-27 · 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{TAUXNFHX35R7JKE4WDJK6747YM}

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	2026-07-05T00:21:35.470948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98297694f7df63f4a89cb0d2af7f9fc31590ad6ede3ac4ef32d2ff13320d63c9

Aliases

arxiv: 1907.03773 · arxiv_version: 1907.03773v1 · doi: 10.48550/arxiv.1907.03773 · pith_short_12: TAUXNFHX35R7 · pith_short_16: TAUXNFHX35R7JKE4 · pith_short_8: TAUXNFHX

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/TAUXNFHX35R7JKE4WDJK6747YM \
  | 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: 98297694f7df63f4a89cb0d2af7f9fc31590ad6ede3ac4ef32d2ff13320d63c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50194c294bd81d69af48924eae3ff4aa2db8283e2cb4018af7d883e3870ab30c",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-06-27T18:44:14Z",
    "title_canon_sha256": "655e8d048c7b1ddb32e2d1563d7dcbf00d919fce016442187192c8a54059c41e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03773",
    "kind": "arxiv",
    "version": 1
  }
}