Pith Number

pith:QHV2DEUW

pith:2014:QHV2DEUWKKW64NARDMMSFG4PQH

not attested not anchored not stored refs pending

Quantified Conjunctive Queries on Partially Ordered Sets

Robert Ganian, Simone Bova, Stefan Szeider

arxiv:1408.4263 v1 · 2014-08-19 · cs.LO · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHV2DEUWKKW64NARDMMSFG4PQH}

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	2026-05-18T02:44:55.767680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81eba1929652adee34111b19229b8f81cd724b0ffec41a8f8513984e7b64d342

Aliases

arxiv: 1408.4263 · arxiv_version: 1408.4263v1 · doi: 10.48550/arxiv.1408.4263 · pith_short_12: QHV2DEUWKKW6 · pith_short_16: QHV2DEUWKKW64NAR · pith_short_8: QHV2DEUW

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/QHV2DEUWKKW64NARDMMSFG4PQH \
  | 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: 81eba1929652adee34111b19229b8f81cd724b0ffec41a8f8513984e7b64d342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ebff5ab6015df850bed85b313105d6bb91dd4241036797002b0f874afa42608",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-08-19T09:36:39Z",
    "title_canon_sha256": "9f45d1018703c1515dbc5c84dea98134f984a5ff6f4534dc61d98a8a47d0a855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4263",
    "kind": "arxiv",
    "version": 1
  }
}