Pith Number

pith:NTDKJ7N3

pith:2018:NTDKJ7N3MZJPXRWWLEYDDV56J4

not attested not anchored not stored refs pending

Efficient Top K Temporal Spatial Keyword Search

Chengyuan Zhang, Fang Huang, Hongbo Zhao, Jun Long, Lei Zhu, Weiren Yu

arxiv:1805.02009 v1 · 2018-05-05 · 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{NTDKJ7N3MZJPXRWWLEYDDV56J4}

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	2026-05-18T00:16:41.252690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc6a4fdbb6652fbc6d6593031d7be4f0e8b937da3b047f0bad5036ab27e1680

Aliases

arxiv: 1805.02009 · arxiv_version: 1805.02009v1 · doi: 10.48550/arxiv.1805.02009 · pith_short_12: NTDKJ7N3MZJP · pith_short_16: NTDKJ7N3MZJPXRWW · pith_short_8: NTDKJ7N3

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/NTDKJ7N3MZJPXRWWLEYDDV56J4 \
  | 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: 6cc6a4fdbb6652fbc6d6593031d7be4f0e8b937da3b047f0bad5036ab27e1680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78f76391483854802b9e1a43223b46759d9b3e9d84abc1c7a896822885b4c299",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-05-05T05:43:49Z",
    "title_canon_sha256": "432ef8e35de8a800d52af4b7392fdf9379824422c6fd0acfe32ece718aa210c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02009",
    "kind": "arxiv",
    "version": 1
  }
}