Pith Number

pith:CME2OYKA

pith:2023:CME2OYKAMMWQEVYYOLTPXXVHB4

not attested not anchored not stored refs pending

Untangling the Effects of Down-Sampling and Selection in Genetic Programming

Alexander Lalejini, Ashley Bao, Dominik Sobania, Lee Spector, Martin Briesch, Ryan Boldi, Thomas Helmuth

arxiv:2304.07089 v2 · 2023-04-14 · 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{CME2OYKAMMWQEVYYOLTPXXVHB4}

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	2026-07-05T08:50:51.001137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1309a76140632d02571872e6fbdea70f25c44f3b147e92215712f5e479448f75

Aliases

arxiv: 2304.07089 · arxiv_version: 2304.07089v2 · doi: 10.48550/arxiv.2304.07089 · pith_short_12: CME2OYKAMMWQ · pith_short_16: CME2OYKAMMWQEVYY · pith_short_8: CME2OYKA

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/CME2OYKAMMWQEVYYOLTPXXVHB4 \
  | 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: 1309a76140632d02571872e6fbdea70f25c44f3b147e92215712f5e479448f75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aa6f597a253926ddf1dcaf022f9df995d4824dd09cff1b18b0d74da5e794a39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2023-04-14T12:21:19Z",
    "title_canon_sha256": "31f20b6ceed585998c08ed7d480775f31175023bbb1e938a494ef9680885f695"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.07089",
    "kind": "arxiv",
    "version": 2
  }
}