Pith Number

pith:Y2EN64J5

pith:2021:Y2EN64J5CVADX2FLB5AR3WRCEG

not attested not anchored not stored refs pending

A Survey on Advancing the DBMS Query Optimizer: Cardinality Estimation, Cost Model, and Plan Enumeration

Hai Lan, Yuwei Peng, Zhifeng Bao

arxiv:2101.01507 v1 · 2021-01-05 · cs.DB · cs.AI

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\usepackage{pith}
\pithnumber{Y2EN64J5CVADX2FLB5AR3WRCEG}

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Record completeness

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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

RELOAD: A Robust and Efficient Learned Query Optimizer for Database Systems

Receipt and verification

First computed	2026-07-05T02:04:50.495434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c688df713d15403be8ab0f411dda222192292bb61a7a725e2239b95a1ce708a6

Aliases

arxiv: 2101.01507 · arxiv_version: 2101.01507v1 · doi: 10.48550/arxiv.2101.01507 · pith_short_12: Y2EN64J5CVAD · pith_short_16: Y2EN64J5CVADX2FL · pith_short_8: Y2EN64J5

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/Y2EN64J5CVADX2FLB5AR3WRCEG \
  | 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: c688df713d15403be8ab0f411dda222192292bb61a7a725e2239b95a1ce708a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd7259695706fb86c2799a278b3f75e864408e104a3283b5d3c6e2e60c05a5c6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-01-05T13:47:45Z",
    "title_canon_sha256": "cc1069cbe7459c3cfa574187d50da39a6801c0707088edf5347537b83e56523c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.01507",
    "kind": "arxiv",
    "version": 1
  }
}