Pith Number

pith:GZLDIV3G

pith:2023:GZLDIV3GJHNXMJWKVF6JT27WFR

not attested not anchored not stored refs pending

Efficient and Accurate Range Counting on Privacy-preserving Spatial Data Federation [Technical Report]

Lei Chen, Maocheng Li, Yuxiang Zeng

arxiv:2303.02842 v1 · 2023-03-06 · 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{GZLDIV3GJHNXMJWKVF6JT27WFR}

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	2026-07-05T05:48:15.975628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

365634576649db7626caa97c99ebf62c51b0a917f74e39798cddf8ff09d42788

Aliases

arxiv: 2303.02842 · arxiv_version: 2303.02842v1 · doi: 10.48550/arxiv.2303.02842 · pith_short_12: GZLDIV3GJHNX · pith_short_16: GZLDIV3GJHNXMJWK · pith_short_8: GZLDIV3G

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/GZLDIV3GJHNXMJWKVF6JT27WFR \
  | 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: 365634576649db7626caa97c99ebf62c51b0a917f74e39798cddf8ff09d42788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e60eac19c1dbd7a372d993aa8cfd6e57e357a06a3bad948ccefcd8d6a2f1ca8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2023-03-06T02:32:16Z",
    "title_canon_sha256": "99c8f2da568101602d545bf9b384577221f4cab7414420d195c4cf03636bba5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.02842",
    "kind": "arxiv",
    "version": 1
  }
}