Pith Number

pith:PEA5XGRX

pith:2019:PEA5XGRXKZWRBB5ITJCK32FDTZ

not attested not anchored not stored refs pending

Guided Automated Learning for query workload re-Optimization

Alexandar Mihaylov, Calisto Zuzarte, Guilherme Damasio, Jaroslaw Szlichta, Parke Godfrey, Piotr Mierzejewski, Vincent Corvinelli

arxiv:1901.02049 v3 · 2019-01-07 · 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{PEA5XGRXKZWRBB5ITJCK32FDTZ}

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	2026-05-17T23:45:22.402487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7901db9a37566d1087a89a44ade8a39e693e18a275735dd896e53273163d2ed0

Aliases

arxiv: 1901.02049 · arxiv_version: 1901.02049v3 · doi: 10.48550/arxiv.1901.02049 · pith_short_12: PEA5XGRXKZWR · pith_short_16: PEA5XGRXKZWRBB5I · pith_short_8: PEA5XGRX

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/PEA5XGRXKZWRBB5ITJCK32FDTZ \
  | 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: 7901db9a37566d1087a89a44ade8a39e693e18a275735dd896e53273163d2ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f846a4855d221e13c4181971db79cb104a68ca49591090a345b1d44c319b44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-01-07T20:21:31Z",
    "title_canon_sha256": "71dcf6493d53eb628d0e67a51e21eeedb300e1210dc9864904b3a402e4bc49ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02049",
    "kind": "arxiv",
    "version": 3
  }
}