Pith Number

pith:S5TAVCFP

pith:2026:S5TAVCFPXLXOCHBZ2BD7DOQFHD

not attested not anchored not stored refs pending

Reproducibility is the New Copyleft: Defining AGI-oriented Reproducible Builds

Masayuki Hatta

arxiv:2606.03019 v1 · 2026-06-02 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5TAVCFPXLXOCHBZ2BD7DOQFHD}

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	2026-06-03T01:05:29.393444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97660a88afbaeee11c39d047f1ba0538edca4786e232d089a3d6a2b765381574

Aliases

arxiv: 2606.03019 · arxiv_version: 2606.03019v1 · doi: 10.48550/arxiv.2606.03019 · pith_short_12: S5TAVCFPXLXO · pith_short_16: S5TAVCFPXLXOCHBZ · pith_short_8: S5TAVCFP

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/S5TAVCFPXLXOCHBZ2BD7DOQFHD \
  | 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: 97660a88afbaeee11c39d047f1ba0538edca4786e232d089a3d6a2b765381574

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1cd211edaedd6a8a2411356ecd7badbda9bb8be1ec0188f1be7235eb2c0b54f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-06-02T01:50:24Z",
    "title_canon_sha256": "34070fd1fed81a1a87ce833fa2e4bab05b2446fbeb793fe08bb02c1076902064"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03019",
    "kind": "arxiv",
    "version": 1
  }
}