Pith Number

pith:6YZHSSCN

pith:2026:6YZHSSCN7HXZXMQI7WCKUB53PQ

not attested not anchored not stored refs pending

FedFFT: Taming Client Drift in Federated SAM via Spectral Perturbation Filtering

Dandan Guo, Liyang Yuan, Yibo Yang

arxiv:2607.04170 v1 · 2026-07-05 · 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{6YZHSSCN7HXZXMQI7WCKUB53PQ}

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	2026-07-07T02:19:00.763348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f63279484df9ef9bb208fd84aa07bb7c2f9e997fb9e18752b1ffd711475b4717

Aliases

arxiv: 2607.04170 · arxiv_version: 2607.04170v1 · doi: 10.48550/arxiv.2607.04170 · pith_short_12: 6YZHSSCN7HXZ · pith_short_16: 6YZHSSCN7HXZXMQI · pith_short_8: 6YZHSSCN

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/6YZHSSCN7HXZXMQI7WCKUB53PQ \
  | 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: f63279484df9ef9bb208fd84aa07bb7c2f9e997fb9e18752b1ffd711475b4717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4508bfefabe1313e44270eed65627677e8ef142e863d3491e48a30aa2aa51b8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-05T08:33:38Z",
    "title_canon_sha256": "49ab67f8cafb47d48a75c88a1a70f288ecad6c6e39fcec54a6d143d8c67af776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04170",
    "kind": "arxiv",
    "version": 1
  }
}