Pith Number

pith:LB73ZDOW

pith:2021:LB73ZDOW43KF5MTTV3KRLL6KBH

not attested not anchored not stored refs pending

FedFR: Joint Optimization Federated Framework for Generic and Personalized Face Recognition

Chien-Yi Wang, Chih-Ting Liu, Shang-Hong Lai, Shao-Yi Chien

arxiv:2112.12496 v3 · 2021-12-23 · cs.CV · 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{LB73ZDOW43KF5MTTV3KRLL6KBH}

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	2026-07-05T04:06:48.008020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

587fbc8dd6e6d45eb273aed515afca09e69111b7599dbbcf2a3b97c911f7e681

Aliases

arxiv: 2112.12496 · arxiv_version: 2112.12496v3 · doi: 10.48550/arxiv.2112.12496 · pith_short_12: LB73ZDOW43KF · pith_short_16: LB73ZDOW43KF5MTT · pith_short_8: LB73ZDOW

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/LB73ZDOW43KF5MTTV3KRLL6KBH \
  | 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: 587fbc8dd6e6d45eb273aed515afca09e69111b7599dbbcf2a3b97c911f7e681

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7b86d4592375fce35243d45110ffa5dcd73f290bbabe1866d981755468cd180",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-23T12:42:38Z",
    "title_canon_sha256": "e9af19257d747d2ec04f0860f88bd05a013a8828e9b0c45f7c13bb0f1ddd076c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.12496",
    "kind": "arxiv",
    "version": 3
  }
}