Pith Number

pith:AXX6KJK3

pith:2019:AXX6KJK3P3RY7Z3OIIHDTZZ4P2

not attested not anchored not stored refs pending

Approximating Spectral Clustering via Sampling: a Review

Andreas Loukas, Nicolas Tremblay

arxiv:1901.10204 v1 · 2019-01-29 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXX6KJK3P3RY7Z3OIIHDTZZ4P2}

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	2026-05-17T23:55:15.859069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05efe5255b7ee38fe76e420e39e73c7e9302357ab26cf20cf57761eae884f164

Aliases

arxiv: 1901.10204 · arxiv_version: 1901.10204v1 · doi: 10.48550/arxiv.1901.10204 · pith_short_12: AXX6KJK3P3RY · pith_short_16: AXX6KJK3P3RY7Z3O · pith_short_8: AXX6KJK3

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/AXX6KJK3P3RY7Z3OIIHDTZZ4P2 \
  | 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: 05efe5255b7ee38fe76e420e39e73c7e9302357ab26cf20cf57761eae884f164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afadd8af1557a70ea153309f53fec6e9ca4984fdd6759101a9b9fa51d9341ea0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-29T10:27:30Z",
    "title_canon_sha256": "8d0da1da74a4295f0bf558c669a6bd27c05106b1eeb4859cb0442fede876818f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10204",
    "kind": "arxiv",
    "version": 1
  }
}