Pith Number

pith:4UCQNNY3

pith:2012:4UCQNNY3ICGIF5YVBT32D5NDY7

not attested not anchored not stored refs pending

Disjunctive Datalog with Existential Quantifiers: Semantics, Decidability, and Complexity Issues

Marco Manna, Mario Alviano, Nicola Leone, Wolfgang Faber

arxiv:1210.2316 v1 · 2012-10-08 · cs.AI · 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{4UCQNNY3ICGIF5YVBT32D5NDY7}

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	2026-05-18T03:43:43.093899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e50506b71b408c82f7150cf7a1f5a3c7ddee9fafe4f168a423557988a50ab207

Aliases

arxiv: 1210.2316 · arxiv_version: 1210.2316v1 · doi: 10.48550/arxiv.1210.2316 · pith_short_12: 4UCQNNY3ICGI · pith_short_16: 4UCQNNY3ICGIF5YV · pith_short_8: 4UCQNNY3

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/4UCQNNY3ICGIF5YVBT32D5NDY7 \
  | 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: e50506b71b408c82f7150cf7a1f5a3c7ddee9fafe4f168a423557988a50ab207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05f0f182577f642f89ee1d22aea5aab155cd5cf67f867a84f41aca11dfccc7c3",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-10-08T15:49:41Z",
    "title_canon_sha256": "ad0bbe17dab821f836a9ed9e9bae1ea99e9d8bf3e326c77250245ea14d336440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2316",
    "kind": "arxiv",
    "version": 1
  }
}