Pith Number

pith:Q4JQUJ32

pith:2022:Q4JQUJ32RS2Z5MOJUFV2RWKN7U

not attested not anchored not stored refs pending

An Empirical Evaluation of $k$-Means Coresets

Chris Schwiegelshohn, Omar Ali Sheikh-Omar

arxiv:2207.00966 v1 · 2022-07-03 · 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{Q4JQUJ32RS2Z5MOJUFV2RWKN7U}

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	2026-07-05T04:36:54.555440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87130a277a8cb59eb1c9a16ba8d94dfd2413a5be60f871d31cb4e093fdcfcbd7

Aliases

arxiv: 2207.00966 · arxiv_version: 2207.00966v1 · doi: 10.48550/arxiv.2207.00966 · pith_short_12: Q4JQUJ32RS2Z · pith_short_16: Q4JQUJ32RS2Z5MOJ · pith_short_8: Q4JQUJ32

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/Q4JQUJ32RS2Z5MOJUFV2RWKN7U \
  | 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: 87130a277a8cb59eb1c9a16ba8d94dfd2413a5be60f871d31cb4e093fdcfcbd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3094148b17c243be28cd638a9360ec7ce3d34392ef138177835abb8f2b1d76f5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-07-03T06:47:53Z",
    "title_canon_sha256": "161e3f6ba823a87fc53b8162dc3ae72eaedfb4fb11b1f132b845f23fc0d8ddbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.00966",
    "kind": "arxiv",
    "version": 1
  }
}