Pith Number

pith:3YDB5AEM

pith:2024:3YDB5AEM5DIHHDQ3RZQMSIRALW

not attested not anchored not stored refs pending

On Simplifying Large-Scale Spatial Vectors: Fast, Memory-Efficient, and Cost-Predictable k-means

Sheng Wang, Yuan Sun, Yushuai Ji, Zepeng Liu, Zhiyong Peng

arxiv:2412.02244 v1 · 2024-12-03 · 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{3YDB5AEM5DIHHDQ3RZQMSIRALW}

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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	2026-07-05T09:43:47.058962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de061e808ce8d0738e1b8e60c922205d86f3ff2ffc3db4b6ec218d25d5ebf552

Aliases

arxiv: 2412.02244 · arxiv_version: 2412.02244v1 · doi: 10.48550/arxiv.2412.02244 · pith_short_12: 3YDB5AEM5DIH · pith_short_16: 3YDB5AEM5DIHHDQ3 · pith_short_8: 3YDB5AEM

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/3YDB5AEM5DIHHDQ3RZQMSIRALW \
  | 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: de061e808ce8d0738e1b8e60c922205d86f3ff2ffc3db4b6ec218d25d5ebf552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "252dcbc01b9b208a0baf8cff49370d5d00ce555137da45942b39c14dca9ab1da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-03T08:16:59Z",
    "title_canon_sha256": "ba2e0ce6e07574a1c1cc2ac093c5f3459ceb379bc58c7e3b4f8b6b9bacdbe85a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.02244",
    "kind": "arxiv",
    "version": 1
  }
}