Pith Number

pith:M4P6Q4LB

pith:2021:M4P6Q4LB5TQWER5V2DD65XTR4T

not attested not anchored not stored refs pending

Emerging Trends in Federated Learning: From Model Fusion to Federated X Learning

Anwar Walid, Guodong Long, Lauri Vasankari, Shaoxiong Ji, Shirui Pan, Teemu Saravirta, Yixin Liu, Yue Tan, Zhiqin Yang

arxiv:2102.12920 v5 · 2021-02-25 · cs.LG · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4P6Q4LB5TQWER5V2DD65XTR4T}

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	2026-07-05T08:18:38.438731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

671fe87161ece16247b5d0c7eede71e4d9c7c3085b7f4bccd771bb1bf95ce197

Aliases

arxiv: 2102.12920 · arxiv_version: 2102.12920v5 · doi: 10.48550/arxiv.2102.12920 · pith_short_12: M4P6Q4LB5TQW · pith_short_16: M4P6Q4LB5TQWER5V · pith_short_8: M4P6Q4LB

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/M4P6Q4LB5TQWER5V2DD65XTR4T \
  | 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: 671fe87161ece16247b5d0c7eede71e4d9c7c3085b7f4bccd771bb1bf95ce197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "568e2fc624d3499ca952ea7045f6791c5205948c2d42dc84ff6ffcda74b26cd6",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-25T15:18:13Z",
    "title_canon_sha256": "2589fbd07a129894285befcaa5c4d79f75cc9aa06ce5c7bc5cc0c27e16609c81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12920",
    "kind": "arxiv",
    "version": 5
  }
}