Pith Number

pith:7DVSBIQD

pith:2025:7DVSBIQDJ6SQ3UWVTYIORZCG4U

not attested not anchored not stored refs pending

Guarded Negation Transitive Closure Logic

Diego Figueira, Santiago Figueira, Yoshiki Nakamura

arxiv:2501.15303 v3 · 2025-01-25 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DVSBIQDJ6SQ3UWVTYIORZCG4U}

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	2026-05-20T00:02:48.184410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8eb20a2034fa50dd2d59e10e8e446e5315b5d6eb10a1f83f587f6dfa452a453

Aliases

arxiv: 2501.15303 · arxiv_version: 2501.15303v3 · doi: 10.48550/arxiv.2501.15303 · pith_short_12: 7DVSBIQDJ6SQ · pith_short_16: 7DVSBIQDJ6SQ3UWV · pith_short_8: 7DVSBIQD

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/7DVSBIQDJ6SQ3UWVTYIORZCG4U \
  | 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: f8eb20a2034fa50dd2d59e10e8e446e5315b5d6eb10a1f83f587f6dfa452a453

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4816b7f94f5376c939ce898eb0aba608067fe30880329ba7c6a506e80b306b8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-01-25T19:00:51Z",
    "title_canon_sha256": "1c2c281b39ac52f888047f8d86197d3b178c775899b0934eefc7843c72c387c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15303",
    "kind": "arxiv",
    "version": 3
  }
}