Pith Number

pith:PJ23UETP

pith:2018:PJ23UETPZAZYLLHJ5DEMZNIJJG

not attested not anchored not stored refs pending

HOC-Tree: A Novel Index for efficient Spatio-temporal Range Search

Chengyuan Zhang, Jun Long, Lei Zhu, Shuangqiao Lin, Xinpan Yuan, Zhan Yang

arxiv:1805.04642 v1 · 2018-05-12 · 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{PJ23UETPZAZYLLHJ5DEMZNIJJG}

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	2026-05-18T00:16:06.824992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a75ba126fc83385ace9e8c8ccb5094992b97d5b0b68394acae6f5bfb4c699d1

Aliases

arxiv: 1805.04642 · arxiv_version: 1805.04642v1 · doi: 10.48550/arxiv.1805.04642 · pith_short_12: PJ23UETPZAZY · pith_short_16: PJ23UETPZAZYLLHJ · pith_short_8: PJ23UETP

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/PJ23UETPZAZYLLHJ5DEMZNIJJG \
  | 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: 7a75ba126fc83385ace9e8c8ccb5094992b97d5b0b68394acae6f5bfb4c699d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db323390ff3383046d5602326d2336d126cbbbf3ea2d057ae169feb1134dd46d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-05-12T03:08:53Z",
    "title_canon_sha256": "212f6bb19cc12f148fd564fccf190298e0351c37fa6a7ace3f2d796c2f79192b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04642",
    "kind": "arxiv",
    "version": 1
  }
}