Pith Number

pith:IAPLM7XM

pith:2011:IAPLM7XMUOCJBSDQTFDWSMSNHO

not attested not anchored not stored refs pending

Generalizing Boolean Satisfiability II: Theory

A. J. Parkes, E. M. Luks, H. E. Dixon, M. L. Ginsberg

arxiv:1109.2134 v1 · 2011-09-09 · 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{IAPLM7XMUOCJBSDQTFDWSMSNHO}

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	2026-05-18T04:13:38.575559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

401eb67eeca38490c870994769324d3bac51c2ab54e50628361739947d51d69f

Aliases

arxiv: 1109.2134 · arxiv_version: 1109.2134v1 · doi: 10.48550/arxiv.1109.2134 · pith_short_12: IAPLM7XMUOCJ · pith_short_16: IAPLM7XMUOCJBSDQ · pith_short_8: IAPLM7XM

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/IAPLM7XMUOCJBSDQTFDWSMSNHO \
  | 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: 401eb67eeca38490c870994769324d3bac51c2ab54e50628361739947d51d69f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a093b4bb5ce2941455a76463ccc1e7211b830eff75b63824df24f124eedc27ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-09-09T20:23:53Z",
    "title_canon_sha256": "f028c6b8daa866e89ea053e5fc2e91ebf02be151020180dc0d6a81eae0cbfd74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2134",
    "kind": "arxiv",
    "version": 1
  }
}