Pith Number

pith:7Q7EQWUT

pith:2022:7Q7EQWUT3SZHAEC7J274IL6AWC

not attested not anchored not stored refs pending

BEER: Fast $O(1/T)$ Rate for Decentralized Nonconvex Optimization with Communication Compression

Boyue Li, Haoyu Zhao, Peter Richt\'arik, Yuejie Chi, Zhize Li

arxiv:2201.13320 v3 · 2022-01-31 · cs.LG · cs.DC · cs.DS · 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{7Q7EQWUT3SZHAEC7J274IL6AWC}

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	2026-07-05T05:06:29.977525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc3e485a93dcb270105f4ebfc42fc0b0a830c67976d3c8208a00b222766d4fd9

Aliases

arxiv: 2201.13320 · arxiv_version: 2201.13320v3 · doi: 10.48550/arxiv.2201.13320 · pith_short_12: 7Q7EQWUT3SZH · pith_short_16: 7Q7EQWUT3SZHAEC7 · pith_short_8: 7Q7EQWUT

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/7Q7EQWUT3SZHAEC7J274IL6AWC \
  | 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: fc3e485a93dcb270105f4ebfc42fc0b0a830c67976d3c8208a00b222766d4fd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d67fa09d73d359e676b79612aa28b432cbe39488e13409da506a870ae003485",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.DS",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-31T16:14:09Z",
    "title_canon_sha256": "19e757fe12197a3dea97095009ea14a3389cd16bc1e9580b1f78b710c232a986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13320",
    "kind": "arxiv",
    "version": 3
  }
}