Pith Number

pith:75PK2ETN

pith:2014:75PK2ETN4WJROEJF46PM3HZWHH

not attested not anchored not stored refs pending

The geometry of kernelized spectral clustering

Bin Yu, Geoffrey Schiebinger, Martin J. Wainwright

arxiv:1404.7552 v3 · 2014-04-29 · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75PK2ETN4WJROEJF46PM3HZWHH}

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	2026-05-18T02:19:28.593982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff5ead126de593171125e79ecd9f3639e3fd5192639ac8a431ffb20a5d1d1887

Aliases

arxiv: 1404.7552 · arxiv_version: 1404.7552v3 · doi: 10.48550/arxiv.1404.7552 · pith_short_12: 75PK2ETN4WJR · pith_short_16: 75PK2ETN4WJROEJF · pith_short_8: 75PK2ETN

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/75PK2ETN4WJROEJF46PM3HZWHH \
  | 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: ff5ead126de593171125e79ecd9f3639e3fd5192639ac8a431ffb20a5d1d1887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe7dce04e6bc711ad81ae1dd837eb91ea3139e610680fbbcc9a771ec93a70dcb",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-04-29T23:23:57Z",
    "title_canon_sha256": "abb51129ffb2d082a3e0ee26aea861ff36f82c7c08048c6c075c50eb00266883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7552",
    "kind": "arxiv",
    "version": 3
  }
}