Pith Number

pith:5MZLHHWM

pith:2014:5MZLHHWMIG6OPFQZJEVMC276M7

not attested not anchored not stored refs pending

Decidability and Undecidability Results for Propositional Schemata

Nicolas Peltier, Ricardo Caferra, Vincent Aravantinos

arxiv:1401.3900 v1 · 2014-01-16 · cs.LO · 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{5MZLHHWMIG6OPFQZJEVMC276M7}

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	2026-05-18T03:02:06.127463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb32b39ecc41bce79619492ac16bfe67cec51542a0ae80c3ac5a1beff5b10444

Aliases

arxiv: 1401.3900 · arxiv_version: 1401.3900v1 · doi: 10.48550/arxiv.1401.3900 · pith_short_12: 5MZLHHWMIG6O · pith_short_16: 5MZLHHWMIG6OPFQZ · pith_short_8: 5MZLHHWM

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/5MZLHHWMIG6OPFQZJEVMC276M7 \
  | 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: eb32b39ecc41bce79619492ac16bfe67cec51542a0ae80c3ac5a1beff5b10444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62287a297481c52b3c78ac3eb8041ac75e545a47cfc572a2636aa6d80ec5bf47",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-01-16T05:20:30Z",
    "title_canon_sha256": "179345b98d4a7d7368080465dd33f94b5d119e98af92e21db8d974207aa51bfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3900",
    "kind": "arxiv",
    "version": 1
  }
}