Pith Number

pith:7SPIZOOV

pith:2018:7SPIZOOVJNRGCHHGKMEXQI2RPR

not attested not anchored not stored refs pending

Solving the Exponential Growth of Symbolic Regression Trees in Geometric Semantic Genetic Programming

Felipe Casadei, Gisele L. Pappa, Joao Francisco B. S. Martins, Luis F. Miranda, Luiz Otavio V. B. Oliveira

arxiv:1804.06808 v1 · 2018-04-18 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SPIZOOVJNRGCHHGKMEXQI2RPR}

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	2026-05-18T00:18:05.710753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc9e8cb9d54b62611ce653097823517c54d8653f1a837481e13db020d1c6bab7

Aliases

arxiv: 1804.06808 · arxiv_version: 1804.06808v1 · doi: 10.48550/arxiv.1804.06808 · pith_short_12: 7SPIZOOVJNRG · pith_short_16: 7SPIZOOVJNRGCHHG · pith_short_8: 7SPIZOOV

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/7SPIZOOVJNRGCHHGKMEXQI2RPR \
  | 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: fc9e8cb9d54b62611ce653097823517c54d8653f1a837481e13db020d1c6bab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d00c9541b49824a21ee2b2faa039d82f545256a616406519f281f3605c3061c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-04-18T16:45:16Z",
    "title_canon_sha256": "5e95e2d53a2eef5bcb3007e6581bc3ae31742f258c5dc04f298ebb786d9b029b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06808",
    "kind": "arxiv",
    "version": 1
  }
}