Pith Number

pith:F6WVY5DG

pith:2019:F6WVY5DGIWTYSBGJSFRNB7DL2F

not attested not anchored not stored refs pending

Concentration of kernel matrices with application to kernel spectral clustering

Arash A. Amini, Zahra S. Razaee

arxiv:1909.03347 v2 · 2019-09-07 · math.ST · cs.LG · 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{F6WVY5DGIWTYSBGJSFRNB7DL2F}

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	2026-07-05T00:35:51.884399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fad5c746645a78904c99162d0fc6bd1438e57464f6e70167de8bb52610f00e5

Aliases

arxiv: 1909.03347 · arxiv_version: 1909.03347v2 · doi: 10.48550/arxiv.1909.03347 · pith_short_12: F6WVY5DGIWTY · pith_short_16: F6WVY5DGIWTYSBGJ · pith_short_8: F6WVY5DG

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/F6WVY5DGIWTYSBGJSFRNB7DL2F \
  | 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: 2fad5c746645a78904c99162d0fc6bd1438e57464f6e70167de8bb52610f00e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "604681eb61698fc769e44316702a06f72a19c450f1915251a68f6dfdcca5f7fd",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-09-07T22:56:55Z",
    "title_canon_sha256": "5f9fd3d6bd3444691c3e17746dac3e1ba0dad480cbc04417820f1922663d029d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03347",
    "kind": "arxiv",
    "version": 2
  }
}