Pith Number

pith:U52VNFLR

pith:2004:U52VNFLR4ZKVUR3XM6PQDXAV3D

not attested not anchored not stored refs pending

Optimization of Bound Disjunctive Queries with Constraints

E. Zumpano, G. Greco, I. Trubtsyna, S. Greco

arxiv:cs/0406013 v1 · 2004-06-07 · 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{U52VNFLR4ZKVUR3XM6PQDXAV3D}

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	2026-07-04T14:24:44.147461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a775569571e6555a4777679f01dc15d8ef961124c8573e70c241d93e80a5a821

Aliases

arxiv: cs/0406013 · arxiv_version: cs/0406013v1 · doi: 10.48550/arxiv.cs/0406013 · pith_short_12: U52VNFLR4ZKV · pith_short_16: U52VNFLR4ZKVUR3X · pith_short_8: U52VNFLR

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/U52VNFLR4ZKVUR3XM6PQDXAV3D \
  | 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: a775569571e6555a4777679f01dc15d8ef961124c8573e70c241d93e80a5a821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9749a0e59275c2ed7613c7302fff097191644be95465980dc190953b3e3c0aa5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2004-06-07T12:13:58Z",
    "title_canon_sha256": "4969ddf7d2fbba8a1073196dd9e6e699b7e1234d85f87a259d77fdae91634f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0406013",
    "kind": "arxiv",
    "version": 1
  }
}