Pith Number

pith:Y7RJR7XO

pith:2025:Y7RJR7XOQPDQ25B5CFJUD72HEG

not attested not anchored not stored refs pending

Accelerating Spectral Clustering under Fairness Constraints

Alex Lambert, Francesco Tonin, Johan A. K. Suykens, Volkan Cevher

arxiv:2506.08143 v1 · 2025-06-09 · 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{Y7RJR7XOQPDQ25B5CFJUD72HEG}

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	2026-07-05T11:18:45.328208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7e298feee83c70d743d115341ff47218bd8bec1cbc3e4f4084871d06102306c

Aliases

arxiv: 2506.08143 · arxiv_version: 2506.08143v1 · doi: 10.48550/arxiv.2506.08143 · pith_short_12: Y7RJR7XOQPDQ · pith_short_16: Y7RJR7XOQPDQ25B5 · pith_short_8: Y7RJR7XO

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/Y7RJR7XOQPDQ25B5CFJUD72HEG \
  | 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: c7e298feee83c70d743d115341ff47218bd8bec1cbc3e4f4084871d06102306c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28eb20c33be6b64aa8088ed11d84d0d5a6a466f9e0578802ed7698ebcfe64c37",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-09T18:46:27Z",
    "title_canon_sha256": "2236b74b19bce0c5a63c6c6393bbab5be743071bdc502186d4b27c74a9c45bec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.08143",
    "kind": "arxiv",
    "version": 1
  }
}