Pith Number

pith:AXM4UPYB

pith:2021:AXM4UPYBLE5PNFLGORR27RIBJD

not attested not anchored not stored refs pending

Basis Matters: Better Communication-Efficient Second Order Methods for Federated Learning

Mher Safaryan, Peter Richt\'arik, Rustem Islamov, Xun Qian

arxiv:2111.01847 v1 · 2021-11-02 · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXM4UPYBLE5PNFLGORR27RIBJD}

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	2026-07-05T03:28:43.179999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d9ca3f01593af695667463afc50148d906a53b5f6fd4b9aef9ea88465b9af1

Aliases

arxiv: 2111.01847 · arxiv_version: 2111.01847v1 · doi: 10.48550/arxiv.2111.01847 · pith_short_12: AXM4UPYBLE5P · pith_short_16: AXM4UPYBLE5PNFLG · pith_short_8: AXM4UPYB

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/AXM4UPYBLE5PNFLGORR27RIBJD \
  | 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: 05d9ca3f01593af695667463afc50148d906a53b5f6fd4b9aef9ea88465b9af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e402689838675f5197ce4e481e7988178b542472586b54ad8f21b32eaacdf69",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-02T19:09:41Z",
    "title_canon_sha256": "cc7d5031301550493bb2cce15e845f3bbd71ed2d88b20387af95dc0094750402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01847",
    "kind": "arxiv",
    "version": 1
  }
}