Pith Number

pith:FCMBHUQ4

pith:2016:FCMBHUQ4CYSN3VWKVCY2FYVZTX

not attested not anchored not stored refs pending

HDBSCAN: Density based Clustering over Location Based Services

Gautam Das, Md Farhadur Rahman, Nan Zhang, Saad Bin Suhaim, Saravanan Thirumuruganathan, Weimo Liu

arxiv:1602.03730 v2 · 2016-02-11 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCMBHUQ4CYSN3VWKVCY2FYVZTX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:20:38.070219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

289813d21c1624ddd6caa8b1a2e2b99df505f2e999e211d4ea64bde22980be19

Aliases

arxiv: 1602.03730 · arxiv_version: 1602.03730v2 · doi: 10.48550/arxiv.1602.03730 · pith_short_12: FCMBHUQ4CYSN · pith_short_16: FCMBHUQ4CYSN3VWK · pith_short_8: FCMBHUQ4

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/FCMBHUQ4CYSN3VWKVCY2FYVZTX \
  | 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: 289813d21c1624ddd6caa8b1a2e2b99df505f2e999e211d4ea64bde22980be19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fe618e810e9bc6e80f75600ad61352309acd5aa5a3c1f572c975f5379c51287",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-02-11T14:06:02Z",
    "title_canon_sha256": "a18364c04668e923f579a7f60fc8a3e8cb5107a672f13b17ca461b2368c8420a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03730",
    "kind": "arxiv",
    "version": 2
  }
}