Pith Number

pith:PQ4SCWMW

pith:2026:PQ4SCWMW4OYFMRH73AHGCBHTIG

not attested not anchored not stored refs pending

LRAT-Catcher: Importing SAT Solver Certificates into Lean4 by Reflection

Stefan Szeider

arxiv:2607.00815 v1 · 2026-07-01 · cs.LO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ4SCWMW4OYFMRH73AHGCBHTIG}

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	2026-07-02T01:17:56.133170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c39215996e3b05644ffd80e6104f3418989fbb11c2caff25c895d5b690fb9d3

Aliases

arxiv: 2607.00815 · arxiv_version: 2607.00815v1 · doi: 10.48550/arxiv.2607.00815 · pith_short_12: PQ4SCWMW4OYF · pith_short_16: PQ4SCWMW4OYFMRH7 · pith_short_8: PQ4SCWMW

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/PQ4SCWMW4OYFMRH73AHGCBHTIG \
  | 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: 7c39215996e3b05644ffd80e6104f3418989fbb11c2caff25c895d5b690fb9d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d2db67fd3eda226936c95c5e52fd2ec714f8ade888df04d2802cdd4c984cd0b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-07-01T11:41:01Z",
    "title_canon_sha256": "c7395f8583781b8779cd86e2e955c91021fa2e63eee80714a08118358f7e0ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00815",
    "kind": "arxiv",
    "version": 1
  }
}