Pith Number

pith:X3G5Q6GR

pith:2025:X3G5Q6GRO5HX4KPWT4EJBHFHXM

not attested not anchored not stored refs pending

SOLAR: Scalable Distributed Spatial Joins through Learning-based Optimization

Ahmed Mahmood, Amr Magdy, Minyao Zhu, Yongyi Liu

arxiv:2504.01292 v1 · 2025-04-02 · 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{X3G5Q6GRO5HX4KPWT4EJBHFHXM}

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	2026-07-05T10:43:12.513396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

becdd878d1774f7e29f69f08909ca7bb2189e55551b50c606e6efd36fddb126d

Aliases

arxiv: 2504.01292 · arxiv_version: 2504.01292v1 · doi: 10.48550/arxiv.2504.01292 · pith_short_12: X3G5Q6GRO5HX · pith_short_16: X3G5Q6GRO5HX4KPW · pith_short_8: X3G5Q6GR

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/X3G5Q6GRO5HX4KPWT4EJBHFHXM \
  | 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: becdd878d1774f7e29f69f08909ca7bb2189e55551b50c606e6efd36fddb126d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b55e6129380c82a9135b8743a50a54afd5bb38423fb549fd7ab28f087fb57e6c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-04-02T01:52:52Z",
    "title_canon_sha256": "0ba84c775bc0d6dcb13dbe3a400a9ebdfc100515e32398d34cf161aad152514c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01292",
    "kind": "arxiv",
    "version": 1
  }
}