Pith Number

pith:YOQLCL6A

pith:2002:YOQLCL6AU6IGZ3UD7P2DNY6ITG

not attested not anchored not stored refs pending

Sprinkling Selections over Join DAGs for Efficient Query Optimization

Kamalakar Karlapalem, Satyanarayana R Valluri, Soujanya Vadapalli

arxiv:cs/0202035 v1 · 2002-02-21 · 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{YOQLCL6AU6IGZ3UD7P2DNY6ITG}

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	2026-07-04T14:24:15.878625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3a0b12fc0a7906cee83fbf436e3c899b67cf510eb508340663e405aae0d08ba

Aliases

arxiv: cs/0202035 · arxiv_version: cs/0202035v1 · doi: 10.48550/arxiv.cs/0202035 · pith_short_12: YOQLCL6AU6IG · pith_short_16: YOQLCL6AU6IGZ3UD · pith_short_8: YOQLCL6A

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/YOQLCL6AU6IGZ3UD7P2DNY6ITG \
  | 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: c3a0b12fc0a7906cee83fbf436e3c899b67cf510eb508340663e405aae0d08ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4805a912f1fbe190e4862aab59b2f86806bbf81eb25edb037760625509b0bffc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DB",
    "submitted_at": "2002-02-21T05:23:51Z",
    "title_canon_sha256": "71bf6009853579672de45f2e32d623303bb4393b93d051bad3756de5c20eeccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0202035",
    "kind": "arxiv",
    "version": 1
  }
}