Pith Number

pith:ZSJDBULF

pith:2025:ZSJDBULF5EKLAXCXUWZPQUC5L2

not attested not anchored not stored refs pending

Improving Genetic Programming for Symbolic Regression with Equality Graphs

Fabricio Olivetti de Franca, Gabriel Kronberger

arxiv:2501.17848 v2 · 2025-01-29 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSJDBULF5EKLAXCXUWZPQUC5L2}

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	2026-07-05T10:45:59.654460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc9230d165e914b05c57a5b2f8505d5ebece2f9699ad96356458287658f178d0

Aliases

arxiv: 2501.17848 · arxiv_version: 2501.17848v2 · doi: 10.48550/arxiv.2501.17848 · pith_short_12: ZSJDBULF5EKL · pith_short_16: ZSJDBULF5EKLAXCX · pith_short_8: ZSJDBULF

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/ZSJDBULF5EKLAXCXUWZPQUC5L2 \
  | 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: cc9230d165e914b05c57a5b2f8505d5ebece2f9699ad96356458287658f178d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f49e8d40c6655d8ae59736a79ae6711d32af1c9552b57afce44eeaf2f09efa3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-29T18:49:34Z",
    "title_canon_sha256": "e07cf1c19f2bb72233b9b23c0510c3254597f01a41084befb1f9617ab04745a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17848",
    "kind": "arxiv",
    "version": 2
  }
}