Pith Number

pith:CTK4D764

pith:2019:CTK4D764KYCOYV4MTZK7LLH4AA

not attested not anchored not stored refs pending

DRAT-based Bit-Vector Proofs in CVC4

Aina Niemetz, Alex Ozdemir, Clark Barrett, Mathias Preiner, Yoni Zohar

arxiv:1907.00087 v2 · 2019-06-28 · 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{CTK4D764KYCOYV4MTZK7LLH4AA}

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	2026-05-17T23:41:36.108547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14d5c1ffdc5604ec578c9e55f5acfc003d0c7057adc7d859c1062764b89774cf

Aliases

arxiv: 1907.00087 · arxiv_version: 1907.00087v2 · doi: 10.48550/arxiv.1907.00087 · pith_short_12: CTK4D764KYCO · pith_short_16: CTK4D764KYCOYV4M · pith_short_8: CTK4D764

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/CTK4D764KYCOYV4MTZK7LLH4AA \
  | 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: 14d5c1ffdc5604ec578c9e55f5acfc003d0c7057adc7d859c1062764b89774cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2d15b1afb9bb1de0f3cfb4a8327c4ca54bc81c7f7ee993af90672667fa67ea7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-06-28T21:29:07Z",
    "title_canon_sha256": "2d981537865995ad15e56a8001f1aa5e5667a476d31eb0fcd218c5a71d162136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00087",
    "kind": "arxiv",
    "version": 2
  }
}