Pith Number

pith:Z33F7JB4

pith:2022:Z33F7JB4IJYAR3YSFHOBDKHTWX

not attested not anchored not stored refs pending

FedFA: Federated Learning with Feature Anchors to Align Features and Classifiers for Heterogeneous Data

Danny H.K. Tsang, Jun Zhang, Tailin Zhou

arxiv:2211.09299 v4 · 2022-11-17 · 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{Z33F7JB4IJYAR3YSFHOBDKHTWX}

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	2026-07-05T07:01:57.842793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef65fa43c427008ef1229dc11a8f3b5fb6465d74e4517bb216d74abb64bb46b

Aliases

arxiv: 2211.09299 · arxiv_version: 2211.09299v4 · doi: 10.48550/arxiv.2211.09299 · pith_short_12: Z33F7JB4IJYA · pith_short_16: Z33F7JB4IJYAR3YS · pith_short_8: Z33F7JB4

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/Z33F7JB4IJYAR3YSFHOBDKHTWX \
  | 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: cef65fa43c427008ef1229dc11a8f3b5fb6465d74e4517bb216d74abb64bb46b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ec022ece558a0d963e2606c68275ea1b2be20d67e4fbec2acd97c72acddf524",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-11-17T02:27:44Z",
    "title_canon_sha256": "9cd07d5c0a53fc73f61b15d6a9ffa7cee26e9143aded990358076579eb899a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.09299",
    "kind": "arxiv",
    "version": 4
  }
}