Pith Number

pith:VEC56SO5

pith:2025:VEC56SO55URPP4JRLDUFGIZ42O

not attested not anchored not stored refs pending

Rapid Experimentation with Python Considering Optional and Hierarchical Inputs

Neil Ranly, Torrey Wagner

arxiv:2501.03398 v1 · 2025-01-06 · cs.MS · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEC56SO55URPP4JRLDUFGIZ42O}

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	2026-07-05T09:57:54.176248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a905df49dded22f7f13158e853233cd38b3dd7c733d9d77980493759b3db32c8

Aliases

arxiv: 2501.03398 · arxiv_version: 2501.03398v1 · doi: 10.48550/arxiv.2501.03398 · pith_short_12: VEC56SO55URP · pith_short_16: VEC56SO55URPP4JR · pith_short_8: VEC56SO5

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/VEC56SO55URPP4JRLDUFGIZ42O \
  | 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: a905df49dded22f7f13158e853233cd38b3dd7c733d9d77980493759b3db32c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3533b333183f1cacd9f12507b1c541317c5004e96445c07c073ab6da3f8744",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2025-01-06T21:36:43Z",
    "title_canon_sha256": "c8a394077f82aa946c32814bf7dc9a589f86ad3d59c3fd6e97fda7413ced1e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.03398",
    "kind": "arxiv",
    "version": 1
  }
}