Pith Number

pith:D54AGAIE

pith:2018:D54AGAIEPIB5I6M42P7QJAS3M6

not attested not anchored not stored refs pending

New Models for Generating Hard Random Boolean Formulas and Disjunctive Logic Programs

Francesco Ricca, Giovanni Amendola, Miroslaw Truszczynski

arxiv:1802.03828 v1 · 2018-02-11 · 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{D54AGAIEPIB5I6M42P7QJAS3M6}

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	2026-05-18T00:23:50.314221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f780301047a03d4799cd3ff04825b67a1008638e5f9e5847135cf32d99f7d9d

Aliases

arxiv: 1802.03828 · arxiv_version: 1802.03828v1 · doi: 10.48550/arxiv.1802.03828 · pith_short_12: D54AGAIEPIB5 · pith_short_16: D54AGAIEPIB5I6M4 · pith_short_8: D54AGAIE

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/D54AGAIEPIB5I6M42P7QJAS3M6 \
  | 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: 1f780301047a03d4799cd3ff04825b67a1008638e5f9e5847135cf32d99f7d9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04cabccfd8c8b553765ab72e8d93f85f119c8b06f311822dba726d01d3a8784d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-02-11T22:12:24Z",
    "title_canon_sha256": "7cefa5af4e56d785854adef40328fb59c497bca8494906b97a30cf8e8f4acb6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03828",
    "kind": "arxiv",
    "version": 1
  }
}