Pith Number

pith:JZPZQRF2

pith:2026:JZPZQRF2JCNQWBG5CHBG3D2JWO

not attested not anchored not stored refs pending

Detecting Atypical Clients in Federated Learning via Representation-Level Divergence

Alberto Fern\'andez-Hern\'andez, Cristian P\'erez-Corral, Enrique S. Quitana-Ort\'i, Jose I. Mestre, Manuel F. Dolz

arxiv:2605.22266 v1 · 2026-05-21 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JZPZQRF2JCNQWBG5CHBG3D2JWO}

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	2026-05-22T01:04:35.223375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e5f9844ba489b0b04dd11c26d8f49b3b1331e88030f363c7acd37ead62f2857

Aliases

arxiv: 2605.22266 · arxiv_version: 2605.22266v1 · doi: 10.48550/arxiv.2605.22266 · pith_short_12: JZPZQRF2JCNQ · pith_short_16: JZPZQRF2JCNQWBG5 · pith_short_8: JZPZQRF2

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/JZPZQRF2JCNQWBG5CHBG3D2JWO \
  | 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: 4e5f9844ba489b0b04dd11c26d8f49b3b1331e88030f363c7acd37ead62f2857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60632b674915819c1d8c38e1bd18369a1395d6672635d5cc20e59e62c93c5813",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-21T10:10:38Z",
    "title_canon_sha256": "f6e18ab4f06c4b1cfb70f64d2db6d8e91ddde9b8fbde64c815aab1b2f8dcf0ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22266",
    "kind": "arxiv",
    "version": 1
  }
}