Pith Number

pith:35TGLOA7

pith:2025:35TGLOA7EASAT42ECO6MZFUVLV

not attested not anchored not stored refs pending

Use of a genetic algorithm to find solutions to introductory physics problems

Justin Kopcinski, Tom Bensky

arxiv:2508.10920 v1 · 2025-08-07 · 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{35TGLOA7EASAT42ECO6MZFUVLV}

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	2026-07-05T11:54:14.814136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df6665b81f202409f34413bccc96955d7a43a006b4ef3d29c3362c56822281bb

Aliases

arxiv: 2508.10920 · arxiv_version: 2508.10920v1 · doi: 10.48550/arxiv.2508.10920 · pith_short_12: 35TGLOA7EASA · pith_short_16: 35TGLOA7EASAT42E · pith_short_8: 35TGLOA7

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/35TGLOA7EASAT42ECO6MZFUVLV \
  | 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: df6665b81f202409f34413bccc96955d7a43a006b4ef3d29c3362c56822281bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0afd93576fc75ca9b95b52daa959b8c238bd9f29d536467e5df2d74a2edd4771",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2025-08-07T01:36:38Z",
    "title_canon_sha256": "be41b2d82c9a3d37d8e1ca848827b125c0fea24b9c226f4ae7b2281a33897cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.10920",
    "kind": "arxiv",
    "version": 1
  }
}