Pith Number

pith:GYYW7Y45

pith:2022:GYYW7Y45VHBH5PR4HYDQVUIBPU

not attested not anchored not stored refs pending

PGFed: Personalize Each Client's Global Objective for Federated Learning

Chen Chen, Jun Luo, Matias Mendieta, Shandong Wu

arxiv:2212.01448 v2 · 2022-12-02 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYYW7Y45VHBH5PR4HYDQVUIBPU}

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	2026-07-05T06:48:32.614708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36316fe39da9c27ebe3c3e070ad1017d2692c8c6b9529a5bd156c1c10cdd04f8

Aliases

arxiv: 2212.01448 · arxiv_version: 2212.01448v2 · doi: 10.48550/arxiv.2212.01448 · pith_short_12: GYYW7Y45VHBH · pith_short_16: GYYW7Y45VHBH5PR4 · pith_short_8: GYYW7Y45

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/GYYW7Y45VHBH5PR4HYDQVUIBPU \
  | 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: 36316fe39da9c27ebe3c3e070ad1017d2692c8c6b9529a5bd156c1c10cdd04f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e2ae93315d211575a634b0a35a9cda56f7cabdd4253d048bdaf012d719b93ac",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-12-02T21:16:39Z",
    "title_canon_sha256": "da0f24543e9e4c2aeb5fb887e883786e496528c49d25a861b7e323d257634f6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.01448",
    "kind": "arxiv",
    "version": 2
  }
}