Pith Number

pith:VUCEJK4S

pith:2025:VUCEJK4SC5M267YXOWNMEHQG5Z

not attested not anchored not stored refs pending

A Lightweight Learned Cardinality Estimation Model

Guoliang Li, Jianhua Feng, Jintao Zhang, Yaoyu Zhu

arxiv:2508.09602 v1 · 2025-08-13 · cs.DB · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUCEJK4SC5M267YXOWNMEHQG5Z}

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	2026-07-05T11:53:18.029231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad0444ab921759af7f17759ac21e06ee6194c943a4460b8a8e0ab145044b5751

Aliases

arxiv: 2508.09602 · arxiv_version: 2508.09602v1 · doi: 10.48550/arxiv.2508.09602 · pith_short_12: VUCEJK4SC5M2 · pith_short_16: VUCEJK4SC5M267YX · pith_short_8: VUCEJK4S

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/VUCEJK4SC5M267YXOWNMEHQG5Z \
  | 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: ad0444ab921759af7f17759ac21e06ee6194c943a4460b8a8e0ab145044b5751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb59842303527dfa19b46c10876e87436bf6d5e4f139e6bbf2c92149f31ecb8",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-08-13T08:34:58Z",
    "title_canon_sha256": "185f5c65da9b3de4e16a618fbb879a3d1d37fb588009271243c29773bfeeeb0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09602",
    "kind": "arxiv",
    "version": 1
  }
}