Pith Number

pith:A7JOSROQ

pith:2017:A7JOSROQAY75KTNC7RIGG2AP4G

not attested not anchored not stored refs pending

K-sets+: a Linear-time Clustering Algorithm for Data Points with a Sparse Similarity Measure

Cheng-Shang Chang, Chia-Tai Chang, Duan-Shin Lee, Li-Heng Liou

arxiv:1705.04249 v1 · 2017-05-11 · cs.DS · 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{A7JOSROQAY75KTNC7RIGG2AP4G}

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	2026-05-18T00:44:39.388833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07d2e945d0063fd54da2fc5063680fe1a2dc663f9da4993fe61c6e382ae9b7a1

Aliases

arxiv: 1705.04249 · arxiv_version: 1705.04249v1 · doi: 10.48550/arxiv.1705.04249 · pith_short_12: A7JOSROQAY75 · pith_short_16: A7JOSROQAY75KTNC · pith_short_8: A7JOSROQ

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/A7JOSROQAY75KTNC7RIGG2AP4G \
  | 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: 07d2e945d0063fd54da2fc5063680fe1a2dc663f9da4993fe61c6e382ae9b7a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2edf9e5d42e64eaae5d9e257ee8c270698963ee15eeb2838c0a9b0ca7652c043",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-11T15:39:48Z",
    "title_canon_sha256": "a27749e7a3474f6cce50b32711c0035eabc6452dfc2e32d26b211c30327a95e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04249",
    "kind": "arxiv",
    "version": 1
  }
}