Pith Number

pith:7U5U4ZBP

pith:2023:7U5U4ZBPRPBZF7RKHWTG4QBDV5

not attested not anchored not stored refs pending

Achieving Linear Speedup in Non-IID Federated Bilevel Learning

Dewei Zhang, Kaiyi Ji, Minhui Huang

arxiv:2302.05412 v1 · 2023-02-10 · cs.LG · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7U5U4ZBPRPBZF7RKHWTG4QBDV5}

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	2026-07-05T05:40:39.018274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd3b4e642f8bc392fe2a3da66e4023af4fd575166990b835a7deb24bc5bcaf1f

Aliases

arxiv: 2302.05412 · arxiv_version: 2302.05412v1 · doi: 10.48550/arxiv.2302.05412 · pith_short_12: 7U5U4ZBPRPBZ · pith_short_16: 7U5U4ZBPRPBZF7RK · pith_short_8: 7U5U4ZBP

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/7U5U4ZBPRPBZF7RKHWTG4QBDV5 \
  | 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: fd3b4e642f8bc392fe2a3da66e4023af4fd575166990b835a7deb24bc5bcaf1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c293290dcf9f56f3760e1696f6ced471184cdc96da54cf95c952c90dcffae604",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-02-10T18:28:00Z",
    "title_canon_sha256": "9e9c34e79f324685b7c91adf935ed49c52084a98055a00072ff29983fa5004c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.05412",
    "kind": "arxiv",
    "version": 1
  }
}