Pith Number

pith:UDOCFP6K

pith:2022:UDOCFP6KFVX7L3MAHILZCY4L2B

not attested not anchored not stored refs pending

Improving Federated Learning Face Recognition via Privacy-Agnostic Clusters

Feng Zhou, Guochao Liu, Hainan Ren, Qiang Meng, Tianshu Feng, Yuanqing Lin

arxiv:2201.12467 v1 · 2022-01-29 · 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{UDOCFP6KFVX7L3MAHILZCY4L2B}

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	2026-07-05T03:52:36.794847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0dc22bfca2d6ff5ed803a1791638bd0732885ac08593cd459be7857b1721f5f

Aliases

arxiv: 2201.12467 · arxiv_version: 2201.12467v1 · doi: 10.48550/arxiv.2201.12467 · pith_short_12: UDOCFP6KFVX7 · pith_short_16: UDOCFP6KFVX7L3MA · pith_short_8: UDOCFP6K

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/UDOCFP6KFVX7L3MAHILZCY4L2B \
  | 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: a0dc22bfca2d6ff5ed803a1791638bd0732885ac08593cd459be7857b1721f5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e248019e0a8b1807ceb106bd2889e09c895e01c106ccc9bd8a686652de8f459",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-29T01:27:04Z",
    "title_canon_sha256": "d1289a460becfd501ee011d5ef8f1f9b1cf7ccde65c080fe5dc1ad9c98d25073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12467",
    "kind": "arxiv",
    "version": 1
  }
}