Pith Number

pith:KEU6DTLN

pith:2021:KEU6DTLNMKAXWZGYCILUWDLTX7

not attested not anchored not stored refs pending

Generating Extended Resolution Proofs with a BDD-Based SAT Solver

Marijn J. H. Heule, Randal E. Bryant

arxiv:2105.00885 v4 · 2021-05-03 · 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{KEU6DTLNMKAXWZGYCILUWDLTX7}

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	2026-07-05T05:55:06.285986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5129e1cd6d62817b64d812174b0d73bfd594c4b9d699e2a6df3654817d092b73

Aliases

arxiv: 2105.00885 · arxiv_version: 2105.00885v4 · doi: 10.48550/arxiv.2105.00885 · pith_short_12: KEU6DTLNMKAX · pith_short_16: KEU6DTLNMKAXWZGY · pith_short_8: KEU6DTLN

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/KEU6DTLNMKAXWZGYCILUWDLTX7 \
  | 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: 5129e1cd6d62817b64d812174b0d73bfd594c4b9d699e2a6df3654817d092b73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f1bcfeaa7797cd282e4b67c538e092f6e61c19d6928a6a3d690ffef5c8ff88f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2021-05-03T14:09:21Z",
    "title_canon_sha256": "b722f55aa773d04b696886a58375060d8d97f44cfb6be8f2dd558cde3652eda0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00885",
    "kind": "arxiv",
    "version": 4
  }
}