Pith Number

pith:U42RL2IA

pith:2026:U42RL2IA6A52C2F27GXHF2425S

not attested not anchored not stored refs pending

Practical MCTS-based Query Optimization: A Reproducibility Study and new MCTS algorithm for complex queries

Alena Rybakina, Alexander Demin, Denis Ponomaryov, Konstantin Gilev, Sergey Kudashev, Vladimir Burlakov, Yuriy Dorn

arxiv:2603.16474 v2 · 2026-03-17 · 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{U42RL2IA6A52C2F27GXHF2425S}

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	2026-06-23T02:13:22.565739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a73515e900f03ba168baf9ae72eb9aec9b14167221c777c432b2884beef9f2ed

Aliases

arxiv: 2603.16474 · arxiv_version: 2603.16474v2 · doi: 10.48550/arxiv.2603.16474 · pith_short_12: U42RL2IA6A52 · pith_short_16: U42RL2IA6A52C2F2 · pith_short_8: U42RL2IA

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/U42RL2IA6A52C2F27GXHF2425S \
  | 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: a73515e900f03ba168baf9ae72eb9aec9b14167221c777c432b2884beef9f2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d31ac1e84ed00c90f5444bbe6beb79c651aa6717f971b641408520a92ddaf27",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-03-17T13:01:29Z",
    "title_canon_sha256": "e8aae14e7f321276f9b4280bc6c922db87ac4fce35c0e37005eae992cde4d6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.16474",
    "kind": "arxiv",
    "version": 2
  }
}