Pith Number

pith:P3D37GUE

pith:2025:P3D37GUE5ZVCUHWU2AIJUGD6JM

not attested not anchored not stored refs pending

scikit-package -- software packaging standards and roadmap for sharing reproducible scientific software

A. Yang, C. Myers, S. J. L. Billinge, S. Lee, T. Zhang

arxiv:2507.03328 v2 · 2025-07-04 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3D37GUE5ZVCUHWU2AIJUGD6JM}

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	2026-07-05T11:33:26.169165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ec7bf9a84ee6a2a1ed4d0109a187e4b28982dc892170f6ac2cb5ef8fe399475

Aliases

arxiv: 2507.03328 · arxiv_version: 2507.03328v2 · doi: 10.48550/arxiv.2507.03328 · pith_short_12: P3D37GUE5ZVC · pith_short_16: P3D37GUE5ZVCUHWU · pith_short_8: P3D37GUE

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/P3D37GUE5ZVCUHWU2AIJUGD6JM \
  | 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: 7ec7bf9a84ee6a2a1ed4d0109a187e4b28982dc892170f6ac2cb5ef8fe399475

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d93ef3e1cb9544069728098f3c5c892be4caf2be69615dd9ae6bbe72bdbad966",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-07-04T06:28:08Z",
    "title_canon_sha256": "557e4627a066bb574f7a5e72b95da3edb53d1e7963bc23ef4fec508d99efccd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03328",
    "kind": "arxiv",
    "version": 2
  }
}