Pith Number

pith:UVGVPYO2

pith:2025:UVGVPYO2T5FIQ5G4KCPIGBRM4W

not attested not anchored not stored refs pending

Combining Type Inference and Automated Unit Test Generation for Python

Gordon Fraser, Lukas Krodinger, Stephan Lukasczyk

arxiv:2507.01477 v1 · 2025-07-02 · 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{UVGVPYO2T5FIQ5G4KCPIGBRM4W}

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	2026-07-05T11:30:49.590264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a54d57e1da9f4a8874dc509e83062ce590043395acbd0ffae660d34b7b697915

Aliases

arxiv: 2507.01477 · arxiv_version: 2507.01477v1 · doi: 10.48550/arxiv.2507.01477 · pith_short_12: UVGVPYO2T5FI · pith_short_16: UVGVPYO2T5FIQ5G4 · pith_short_8: UVGVPYO2

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/UVGVPYO2T5FIQ5G4KCPIGBRM4W \
  | 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: a54d57e1da9f4a8874dc509e83062ce590043395acbd0ffae660d34b7b697915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c1a3d24b695b94d2540d85e5971cb0468d04e5adacd86f57d64f0ae446aef9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-07-02T08:41:28Z",
    "title_canon_sha256": "5ff6ca1911b584fbdaa920d7a0e19d4f9ed2b7f0b42309f30183f316f46c6703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01477",
    "kind": "arxiv",
    "version": 1
  }
}