Pith Number

pith:5JNSTMTP

pith:2026:5JNSTMTPZQHKIVVBBUDOZJYP3D

not attested not anchored not stored refs pending

Dictionaries, Not Darwin: Set-Level Selection Beats LLM Evolution in Scientific Equation Discovery

Pan Li

arxiv:2607.04108 v1 · 2026-07-05 · 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{5JNSTMTPZQHKIVVBBUDOZJYP3D}

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	2026-07-07T02:18:57.796822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea5b29b26fcc0ea456a10d06eca70fd8fcd4772db78c4f231a451839ba447bf1

Aliases

arxiv: 2607.04108 · arxiv_version: 2607.04108v1 · doi: 10.48550/arxiv.2607.04108 · pith_short_12: 5JNSTMTPZQHK · pith_short_16: 5JNSTMTPZQHKIVVB · pith_short_8: 5JNSTMTP

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/5JNSTMTPZQHKIVVBBUDOZJYP3D \
  | 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: ea5b29b26fcc0ea456a10d06eca70fd8fcd4772db78c4f231a451839ba447bf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b3bdc435f31273a4c02354994f55fae9182d34df8e5643a85b08756baff224f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-05T04:10:34Z",
    "title_canon_sha256": "268687dc4e9951ff695a64b034749723b78f1d793503c2c083f9e698985cd8a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04108",
    "kind": "arxiv",
    "version": 1
  }
}