Pith Number

pith:7NQBRXJS

pith:2021:7NQBRXJSXBXFJP4BNQUV2RZF7Y

not attested not anchored not stored refs pending

A Reinforcement Learning Based R-Tree for Spatial Data Indexing in Dynamic Environments

Cheng Long, Gao Cong, Kaiyu Feng, Sheng Wang, Tu Gu, Zheng Wang

arxiv:2103.04541 v2 · 2021-03-08 · cs.DB · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NQBRXJSXBXFJP4BNQUV2RZF7Y}

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

Tradeoffs in Processing Queries and Supporting Updates over an ML-Enhanced R-tree

Receipt and verification

First computed	2026-07-05T03:21:08.858723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb6018dd32b86e54bf816c295d4725fe04824fc2e96ef4ee74fc149b636abf1f

Aliases

arxiv: 2103.04541 · arxiv_version: 2103.04541v2 · doi: 10.48550/arxiv.2103.04541 · pith_short_12: 7NQBRXJSXBXF · pith_short_16: 7NQBRXJSXBXFJP4B · pith_short_8: 7NQBRXJS

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/7NQBRXJSXBXFJP4BNQUV2RZF7Y \
  | 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: fb6018dd32b86e54bf816c295d4725fe04824fc2e96ef4ee74fc149b636abf1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0decd6d368e910d27b7937d4f2e200a8053570a4d74502892310e74878524b57",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-03-08T04:29:58Z",
    "title_canon_sha256": "0aea0bec27ebaacc959b9d3dc47b1edaeded188b66237ca15f65ef550c192ebb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04541",
    "kind": "arxiv",
    "version": 2
  }
}