Pith Number

pith:7AKDPWPR

pith:2026:7AKDPWPRVQXISGVLTANU4HYZAN

not attested not anchored not stored refs pending

HO-SFL: Hybrid-Order Split Federated Learning with Backprop-Free Clients and Dimension-Free Aggregation

Qiyuan Chen, Xianhao Chen, Xian Wu, Yi Wang

arxiv:2603.14773 v2 · 2026-03-16 · cs.LG · 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{7AKDPWPRVQXISGVLTANU4HYZAN}

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	2026-05-28T01:04:38.430254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f81437d9f1ac2e891aab981b4e1f19037bd2ce8dea09fa14be6bde044137c394

Aliases

arxiv: 2603.14773 · arxiv_version: 2603.14773v2 · doi: 10.48550/arxiv.2603.14773 · pith_short_12: 7AKDPWPRVQXI · pith_short_16: 7AKDPWPRVQXISGVL · pith_short_8: 7AKDPWPR

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/7AKDPWPRVQXISGVLTANU4HYZAN \
  | 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: f81437d9f1ac2e891aab981b4e1f19037bd2ce8dea09fa14be6bde044137c394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d9e465b03864ef76dd8896848e3500ffda65f69ee1fb4be08c8fea0b786bde",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-16T03:13:01Z",
    "title_canon_sha256": "8e172d483e423dbdd38e5026cf657a847f34e69990223f801d0941bd3c8ced2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.14773",
    "kind": "arxiv",
    "version": 2
  }
}