Pith Number

pith:XT3OEG2F

pith:2025:XT3OEG2FEBJ6MBF4WYKFRD23AM

not attested not anchored not stored refs pending

Bootstrapping Learned Cost Models with Synthetic SQL Queries

Andrea Giovannini, Christoph Miksovic, Francesco Fusco, Ioana Giurgiu, Michael Nidd, Thomas Gschwind

arxiv:2508.19807 v1 · 2025-08-27 · cs.DB · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XT3OEG2FEBJ6MBF4WYKFRD23AM}

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	2026-07-05T12:00:18.087355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcf6e21b452053e604bcb614588f5b0307d23b8de8e502090a166fed6e8bb697

Aliases

arxiv: 2508.19807 · arxiv_version: 2508.19807v1 · doi: 10.48550/arxiv.2508.19807 · pith_short_12: XT3OEG2FEBJ6 · pith_short_16: XT3OEG2FEBJ6MBF4 · pith_short_8: XT3OEG2F

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/XT3OEG2FEBJ6MBF4WYKFRD23AM \
  | 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: bcf6e21b452053e604bcb614588f5b0307d23b8de8e502090a166fed6e8bb697

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db6d80c22cdae1e8b2f749156dca0cee46b217c2f5641dfcbbd9ecc91ac09f83",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-08-27T11:50:42Z",
    "title_canon_sha256": "2816f8e957255e949f0b682155ab965172007b9db8e7f700f012ef3557c1d2a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19807",
    "kind": "arxiv",
    "version": 1
  }
}