Pith Number

pith:GLH3PFKX

pith:2026:GLH3PFKX7MS4C4KMXDWEFUFZQ2

not attested not anchored not stored refs pending

LOSCAR-SGD: Local SGD with Communication-Computation Overlap and Delay-Corrected Sparse Model Averaging

Ammar Mahran, Artavazd Maranjyan, Peter Richt\'arik, Yassine Maziane

arxiv:2605.20866 v1 · 2026-05-20 · cs.LG · 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{GLH3PFKX7MS4C4KMXDWEFUFZQ2}

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	2026-05-21T01:05:25.290114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32cfb79557fb25c1714cb8ec42d0b986be6ef059fa73dcbcaac8cff7b73ecb67

Aliases

arxiv: 2605.20866 · arxiv_version: 2605.20866v1 · doi: 10.48550/arxiv.2605.20866 · pith_short_12: GLH3PFKX7MS4 · pith_short_16: GLH3PFKX7MS4C4KM · pith_short_8: GLH3PFKX

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/GLH3PFKX7MS4C4KMXDWEFUFZQ2 \
  | 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: 32cfb79557fb25c1714cb8ec42d0b986be6ef059fa73dcbcaac8cff7b73ecb67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e21448bdb68161fa2f770a22be5d4283a9e760f59f3e550ee2b340641c066d7",
    "cross_cats_sorted": [
      "cs.DC",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-20T08:01:45Z",
    "title_canon_sha256": "07a10def7becf06274cb014669ad09ab78ca6475b3ac25709332e677069a82f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20866",
    "kind": "arxiv",
    "version": 1
  }
}