Pith Number

pith:VDE4AW6A

pith:2026:VDE4AW6AMZZYZU77QSHBNTC7ZH

not attested not anchored not stored refs pending

Why3-py: A Tool for Formal Verification of Hypothesis Testing and Meta-Analysis in Python

Akira Tanaka, Yusuke Kawamoto

arxiv:2607.03951 v1 · 2026-07-04 · cs.SE · cs.AI · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDE4AW6AMZZYZU77QSHBNTC7ZH}

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	2026-07-07T02:18:49.323235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8c9c05bc066738cd3ff848e16cc5fc9e9f13ea6e08a38345992399bb81aefe5

Aliases

arxiv: 2607.03951 · arxiv_version: 2607.03951v1 · doi: 10.48550/arxiv.2607.03951 · pith_short_12: VDE4AW6AMZZY · pith_short_16: VDE4AW6AMZZYZU77 · pith_short_8: VDE4AW6A

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/VDE4AW6AMZZYZU77QSHBNTC7ZH \
  | 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: a8c9c05bc066738cd3ff848e16cc5fc9e9f13ea6e08a38345992399bb81aefe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5c66bae3a68173a6f6e3d09a15fa97770ae3c3ee42c4256f8f3f4322aafd9ed",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-04T16:53:39Z",
    "title_canon_sha256": "a2f775cecc9664091166826c6286963d8a802b760448cb538385a0cba737468b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03951",
    "kind": "arxiv",
    "version": 1
  }
}