Pith Number

pith:IU4XV5HO

pith:2012:IU4XV5HOGGCZPZHFRTG7DNJPVH

not attested not anchored not stored refs pending

Generalizing Redundancy in Propositional Logic: Foundations and Hitting Sets Duality

Anton Belov, Joao Marques-Silva

arxiv:1207.1257 v2 · 2012-07-05 · 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{IU4XV5HOGGCZPZHFRTG7DNJPVH}

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	2026-05-18T03:51:25.084823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45397af4ee318597e4e58ccdf1b52fa9ce1c16fd30d073b2ceb59eef0deb7ea8

Aliases

arxiv: 1207.1257 · arxiv_version: 1207.1257v2 · doi: 10.48550/arxiv.1207.1257 · pith_short_12: IU4XV5HOGGCZ · pith_short_16: IU4XV5HOGGCZPZHF · pith_short_8: IU4XV5HO

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/IU4XV5HOGGCZPZHFRTG7DNJPVH \
  | 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: 45397af4ee318597e4e58ccdf1b52fa9ce1c16fd30d073b2ceb59eef0deb7ea8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c36892b72d2382a7485dafd793dae4ab84d7df2dcf3524c402bf7412eaf2938c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-07-05T13:57:40Z",
    "title_canon_sha256": "54f0d608ef2e8f64221e8313eeedab9aedea228c5c8771e171f8983c3b78f170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1257",
    "kind": "arxiv",
    "version": 2
  }
}