Pith Number

pith:KLEA7OHZ

pith:2011:KLEA7OHZZUJHJZMPXRJALUUCJS

not attested not anchored not stored refs pending

From Total Assignment Enumeration to Modern SAT Solver

Alexander Nadel, Nachum Dershowitz

arxiv:1110.5867 v1 · 2011-10-26 · 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{KLEA7OHZZUJHJZMPXRJALUUCJS}

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	2026-05-18T04:10:11.018656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52c80fb8f9cd1274e58fbc5205d2824c82a3e83ce7184d8b6c14d9cb47c5b8f8

Aliases

arxiv: 1110.5867 · arxiv_version: 1110.5867v1 · doi: 10.48550/arxiv.1110.5867 · pith_short_12: KLEA7OHZZUJH · pith_short_16: KLEA7OHZZUJHJZMP · pith_short_8: KLEA7OHZ

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/KLEA7OHZZUJHJZMPXRJALUUCJS \
  | 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: 52c80fb8f9cd1274e58fbc5205d2824c82a3e83ce7184d8b6c14d9cb47c5b8f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a7e50ce6c2b628f4c32c9f839890e083ed2ae7c272d77db373fa8950124b156",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-10-26T18:23:56Z",
    "title_canon_sha256": "ab27f97c0fa16f50d52ebefa468c8e2705e9c21306f3e8dd02d08934cdfd6116"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5867",
    "kind": "arxiv",
    "version": 1
  }
}