Pith Number

pith:4XZK3JAC

pith:2018:4XZK3JACBGHLA6RCUVNDGBWXOF

not attested not anchored not stored refs pending

$\alpha$-Approximation Density-based Clustering of Multi-valued Objects

Zhilin Zhang

arxiv:1808.03300 v2 · 2018-08-09 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XZK3JACBGHLA6RCUVNDGBWXOF}

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	2026-05-18T00:00:08.210650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5f2ada402098eb07a22a55a3306d7715e3631fd57a71675295cb80b5999e28e

Aliases

arxiv: 1808.03300 · arxiv_version: 1808.03300v2 · doi: 10.48550/arxiv.1808.03300 · pith_short_12: 4XZK3JACBGHL · pith_short_16: 4XZK3JACBGHLA6RC · pith_short_8: 4XZK3JAC

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/4XZK3JACBGHLA6RCUVNDGBWXOF \
  | 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: e5f2ada402098eb07a22a55a3306d7715e3631fd57a71675295cb80b5999e28e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8704aee93ae9b03e38339efdd38f981d98dc1fb9683203180b659e12182efea7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-08-09T18:43:18Z",
    "title_canon_sha256": "1784485a204e4272218de0f4cda740812ffb620ed062852f8138840be29c9de9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03300",
    "kind": "arxiv",
    "version": 2
  }
}