Pith Number

pith:Q4GK3GQH

pith:2021:Q4GK3GQH7BSQBE7EU3GU2ZYFXA

not attested not anchored not stored refs pending

Communication-Compressed Adaptive Gradient Method for Distributed Nonconvex Optimization

Jinghui Chen, Lu Lin, Yujia Wang

arxiv:2111.00705 v2 · 2021-11-01 · cs.LG · cs.AI · cs.DC · 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{Q4GK3GQH7BSQBE7EU3GU2ZYFXA}

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	2026-07-05T03:59:41.812551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870cad9a07f8650093e4a6cd4d6705b8195acf5cc3920617448fad9a70cf8967

Aliases

arxiv: 2111.00705 · arxiv_version: 2111.00705v2 · doi: 10.48550/arxiv.2111.00705 · pith_short_12: Q4GK3GQH7BSQ · pith_short_16: Q4GK3GQH7BSQBE7E · pith_short_8: Q4GK3GQH

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/Q4GK3GQH7BSQBE7EU3GU2ZYFXA \
  | 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: 870cad9a07f8650093e4a6cd4d6705b8195acf5cc3920617448fad9a70cf8967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfff5d0fa6cb6a68bee85a69896b6dcc8e14ce7e5922b046cc0ae98610e11dc5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DC",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-01T04:54:55Z",
    "title_canon_sha256": "bcb2fdf4ea5541f8835b44f6f9221bd7ae6802e16397e789e6ab1343f5af5a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.00705",
    "kind": "arxiv",
    "version": 2
  }
}