Pith Number

pith:B56ICGIA

pith:2004:B56ICGIA764ISSFJP4TMWJBLSJ

not attested not anchored not stored refs pending

Semantic Optimization of Preference Queries

Jan Chomicki

arxiv:cs/0402003 v1 · 2004-02-02 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B56ICGIA764ISSFJP4TMWJBLSJ}

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	2026-05-18T01:06:49.323404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7c811900ffb88948a97f26cb242b927502563451a947e692e2784103a4212f

Aliases

arxiv: cs/0402003 · arxiv_version: cs/0402003v1 · doi: 10.48550/arxiv.cs/0402003 · pith_short_12: B56ICGIA764I · pith_short_16: B56ICGIA764ISSFJ · pith_short_8: B56ICGIA

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/B56ICGIA764ISSFJP4TMWJBLSJ \
  | 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: 0f7c811900ffb88948a97f26cb242b927502563451a947e692e2784103a4212f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ad72af9bad726ea600c346dd5e6b4d1685c534fc2838815d748906a4df10580",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DB",
    "submitted_at": "2004-02-02T01:42:35Z",
    "title_canon_sha256": "edc7a45f86434a660e7addfb76c9d203838fa3de7224c4a62e3b3c55f491aaf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0402003",
    "kind": "arxiv",
    "version": 1
  }
}