Pith Number

pith:HRFSHGZS

pith:2025:HRFSHGZSF32F2O4NJK57YH57RK

not attested not anchored not stored refs pending

Generative Kernel Spectral Clustering

David Winant, Johan A. K. Suykens, Sonny Achten

arxiv:2502.02185 v1 · 2025-02-04 · 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{HRFSHGZSF32F2O4NJK57YH57RK}

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	2026-07-05T10:53:15.501764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c4b239b322ef45d3b8d4abbfc1fbf8a9a4c5c410b540905b8d844fd0a4ed011

Aliases

arxiv: 2502.02185 · arxiv_version: 2502.02185v1 · doi: 10.48550/arxiv.2502.02185 · pith_short_12: HRFSHGZSF32F · pith_short_16: HRFSHGZSF32F2O4N · pith_short_8: HRFSHGZS

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/HRFSHGZSF32F2O4NJK57YH57RK \
  | 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: 3c4b239b322ef45d3b8d4abbfc1fbf8a9a4c5c410b540905b8d844fd0a4ed011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0c05f435b2c429855f26edad89225910549312f6715b733449c13bb638472e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-04T09:59:45Z",
    "title_canon_sha256": "c2ec2a1f04caa066f5855706bb78b144b4cd3b7f8d2e23c0805343615e6dc8a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02185",
    "kind": "arxiv",
    "version": 1
  }
}