Pith Number

pith:LEZ2WNYQ

pith:2025:LEZ2WNYQXNAI6BYVR37TG2WNAY

not attested not anchored not stored refs pending

Fast Symbolic Regression Benchmarking

Viktor Martinek

arxiv:2508.14481 v1 · 2025-08-20 · 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{LEZ2WNYQXNAI6BYVR37TG2WNAY}

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	2026-07-05T11:56:32.860567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5933ab3710bb408f07158eff336acd062dc9049147e368d110501565729bbf13

Aliases

arxiv: 2508.14481 · arxiv_version: 2508.14481v1 · doi: 10.48550/arxiv.2508.14481 · pith_short_12: LEZ2WNYQXNAI · pith_short_16: LEZ2WNYQXNAI6BYV · pith_short_8: LEZ2WNYQ

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/LEZ2WNYQXNAI6BYVR37TG2WNAY \
  | 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: 5933ab3710bb408f07158eff336acd062dc9049147e368d110501565729bbf13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "587cc17d95e860b5ac410c2a9148f1059084d08831007cc10c5b3f2578fe6c3c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-20T07:12:44Z",
    "title_canon_sha256": "3a55c27e679721efd9e4080ce1a3528427f5020a975d39c8c1e6b8485e1c60b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.14481",
    "kind": "arxiv",
    "version": 1
  }
}