Pith Number

pith:JJVMKZU2

pith:2019:JJVMKZU2FW526FAFLARYQPDXWX

not attested not anchored not stored refs pending

Parameterized k-Clustering: The distance matters!

Fedor V. Fomin, Kirill Simonov, Petr A. Golovach

arxiv:1902.08559 v1 · 2019-02-22 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJVMKZU2FW526FAFLARYQPDXWX}

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	2026-05-17T23:52:56.817242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a6ac5669a2dbbaf14055823883c77b5c4898a87a8b1c5d69fd1826d7935e8e2

Aliases

arxiv: 1902.08559 · arxiv_version: 1902.08559v1 · doi: 10.48550/arxiv.1902.08559 · pith_short_12: JJVMKZU2FW52 · pith_short_16: JJVMKZU2FW526FAF · pith_short_8: JJVMKZU2

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/JJVMKZU2FW526FAFLARYQPDXWX \
  | 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: 4a6ac5669a2dbbaf14055823883c77b5c4898a87a8b1c5d69fd1826d7935e8e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7bfd11216b66920f104cc09eb3b7ff72b454d3517c69cd96c03fabacc9904b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-22T17:05:18Z",
    "title_canon_sha256": "a7f4f6689fee38d3dd530051ff39d8d3d9934683f11ab9fa55eb106120a0b242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08559",
    "kind": "arxiv",
    "version": 1
  }
}