Pith Number

pith:NT5HGNQD

pith:2022:NT5HGNQD2O2KI4AE7PGZVOLOC7

not attested not anchored not stored refs pending

Improved Coresets for Euclidean $k$-Means

Chris Schwiegelshohn, David Saulpic, Kasper Green Larsen, Omar Ali Sheikh-Omar, Vincent Cohen-Addad

arxiv:2211.08184 v2 · 2022-11-15 · cs.CG · 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{NT5HGNQD2O2KI4AE7PGZVOLOC7}

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	2026-07-05T05:16:39.682799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cfa733603d3b4a47004fbcd9ab96e17eff92f4bbbb627ce1eaa5dc712f214ee

Aliases

arxiv: 2211.08184 · arxiv_version: 2211.08184v2 · doi: 10.48550/arxiv.2211.08184 · pith_short_12: NT5HGNQD2O2K · pith_short_16: NT5HGNQD2O2KI4AE · pith_short_8: NT5HGNQD

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/NT5HGNQD2O2KI4AE7PGZVOLOC7 \
  | 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: 6cfa733603d3b4a47004fbcd9ab96e17eff92f4bbbb627ce1eaa5dc712f214ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3635a2f235784eadd453caf1dd2d43de11d81453852084adf151e936a5df41a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2022-11-15T14:47:24Z",
    "title_canon_sha256": "ab468cd9e4ae384b221b44b77eb008ad45bdf0e9a298a90f5aa04dc1520d3bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.08184",
    "kind": "arxiv",
    "version": 2
  }
}