Pith Number

pith:QRUCOTN7

pith:2025:QRUCOTN7YMAYYDA62QVHJN4RVZ

not attested not anchored not stored refs pending

Differentially Private Federated $k$-Means Clustering with Server-Side Data

Christoph H. Lampert, David Saulpic, Jonathan Scott

arxiv:2506.05408 v2 · 2025-06-04 · cs.CR · 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{QRUCOTN7YMAYYDA62QVHJN4RVZ}

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	2026-07-05T11:19:28.419040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8468274dbfc3018c0c1ed42a74b791ae43c2c0bf55bb9d79749bcad0e1f0a2a6

Aliases

arxiv: 2506.05408 · arxiv_version: 2506.05408v2 · doi: 10.48550/arxiv.2506.05408 · pith_short_12: QRUCOTN7YMAY · pith_short_16: QRUCOTN7YMAYYDA6 · pith_short_8: QRUCOTN7

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/QRUCOTN7YMAYYDA62QVHJN4RVZ \
  | 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: 8468274dbfc3018c0c1ed42a74b791ae43c2c0bf55bb9d79749bcad0e1f0a2a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3ebc867a06d52403db590caf5874ab80e7b32b13290fcb0fac40e60509ada1f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-04T14:53:25Z",
    "title_canon_sha256": "2d8f311e3a4dc4580f9caeff54d8e9205cdd7189175898e8d4776d51ebe0435a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.05408",
    "kind": "arxiv",
    "version": 2
  }
}