Pith Number

pith:PQIUWE5O

pith:2012:PQIUWE5OP4CBVKZPKGKWPDRPR6

not attested not anchored not stored refs pending

On the Complexity of Computing Minimal Unsatisfiable LTL formulas

Francois Hantry, Lakhdar Sa\"is, Mohand-Sa\"id Hacid

arxiv:1203.3706 v2 · 2012-03-16 · 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{PQIUWE5OP4CBVKZPKGKWPDRPR6}

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	2026-05-18T03:59:26.936995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c114b13ae7f041aab2f5195678e2f8fa47e89a9cc2e2ad7a6c632709763653e

Aliases

arxiv: 1203.3706 · arxiv_version: 1203.3706v2 · doi: 10.48550/arxiv.1203.3706 · pith_short_12: PQIUWE5OP4CB · pith_short_16: PQIUWE5OP4CBVKZP · pith_short_8: PQIUWE5O

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/PQIUWE5OP4CBVKZPKGKWPDRPR6 \
  | 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: 7c114b13ae7f041aab2f5195678e2f8fa47e89a9cc2e2ad7a6c632709763653e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a356f7bd1f65e0e58b0e6ac37ca250ca128de5d6e78c044c0fc896e422ef6693",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-03-16T13:53:33Z",
    "title_canon_sha256": "2d6639a92f84cc1328c7392533d2f7bb7f10722c44598657e17f8bfc3af22103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3706",
    "kind": "arxiv",
    "version": 2
  }
}