Pith Number

pith:OK647BBT

pith:2022:OK647BBTAYDUDW3UTBLQYRGIUQ

not attested not anchored not stored refs pending

Efficient Distribution Similarity Identification in Clustered Federated Learning via Principal Angles Between Client Data Subspaces

Bill Lin, Chen Chen, Mahdi Morafah, Mubarak Shah, Saeed Vahidian, Vyacheslav Kungurtsev, Weijia Wang

arxiv:2209.10526 v1 · 2022-09-21 · cs.LG · cs.AI · cs.DC · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OK647BBTAYDUDW3UTBLQYRGIUQ}

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	2026-07-05T04:59:55.321630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72bdcf8433060741db7498570c44c8a423b0b7bd993d7d1625d9894807fab391

Aliases

arxiv: 2209.10526 · arxiv_version: 2209.10526v1 · doi: 10.48550/arxiv.2209.10526 · pith_short_12: OK647BBTAYDU · pith_short_16: OK647BBTAYDUDW3U · pith_short_8: OK647BBT

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/OK647BBTAYDUDW3UTBLQYRGIUQ \
  | 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: 72bdcf8433060741db7498570c44c8a423b0b7bd993d7d1625d9894807fab391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b3857643ea6aeb8d3def96ca0e1387a05646231afb40363e51159bb49395cd3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DC",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-09-21T17:37:54Z",
    "title_canon_sha256": "cff1ad263d6af9184a59045fc9638903e9a7d90ecf486f52b422226fc9cbb10e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.10526",
    "kind": "arxiv",
    "version": 1
  }
}