Pith Number

pith:WUMWWCZV

pith:2025:WUMWWCZVSYBUCDEHOHYYTVNOOF

not attested not anchored not stored refs pending

GRACEFUL: A Learned Cost Estimator For UDFs

Carsten Binnig, Johannes Wehrstein, Roman Heinrich, Tiemo Bang

arxiv:2503.23863 v1 · 2025-03-31 · 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{WUMWWCZVSYBUCDEHOHYYTVNOOF}

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.

Cited by

1 paper in Pith

Large Databases Need Small, Open-Weight Language Models

Receipt and verification

First computed	2026-07-05T10:42:01.033477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5196b0b359603410c8771f189d5ae716467956b82ff705d33cbd86cb3f6357d

Aliases

arxiv: 2503.23863 · arxiv_version: 2503.23863v1 · doi: 10.48550/arxiv.2503.23863 · pith_short_12: WUMWWCZVSYBU · pith_short_16: WUMWWCZVSYBUCDEH · pith_short_8: WUMWWCZV

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/WUMWWCZVSYBUCDEHOHYYTVNOOF \
  | 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: b5196b0b359603410c8771f189d5ae716467956b82ff705d33cbd86cb3f6357d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b744b35ceda46b99cdd0faad80dc55a99039c7e46ac38f6c3b45b1b82552f05e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-03-31T09:09:12Z",
    "title_canon_sha256": "945235e0530773efafe67704a7092bbe60a80f741e417004c608a8005f13f37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.23863",
    "kind": "arxiv",
    "version": 1
  }
}