Pith Number

pith:LWMZQT6G

pith:2024:LWMZQT6GSEOOVEP5GDC5DJCSPI

not attested not anchored not stored refs pending

Shadowheart SGD: Distributed Asynchronous SGD with Optimal Time Complexity Under Arbitrary Computation and Communication Heterogeneity

Alexander Tyurin, Ivan Ilin, Marta Pozzi, Peter Richt\'arik

arxiv:2402.04785 v2 · 2024-02-07 · math.OC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWMZQT6GSEOOVEP5GDC5DJCSPI}

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	2026-07-05T09:30:07.322163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d99984fc6911cea91fd30c5d1a4527a2498da85d0aebf09a19764048283c2fb

Aliases

arxiv: 2402.04785 · arxiv_version: 2402.04785v2 · doi: 10.48550/arxiv.2402.04785 · pith_short_12: LWMZQT6GSEOO · pith_short_16: LWMZQT6GSEOOVEP5 · pith_short_8: LWMZQT6G

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/LWMZQT6GSEOOVEP5GDC5DJCSPI \
  | 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: 5d99984fc6911cea91fd30c5d1a4527a2498da85d0aebf09a19764048283c2fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "381e64331629adf34a82a7d412cd979130e9c22c80805b352b8bcfbc85ecc66b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-02-07T12:15:56Z",
    "title_canon_sha256": "2887773e4368e58bf5bb45d291ea47e19c4e79303fad2834630b113807bfaa43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.04785",
    "kind": "arxiv",
    "version": 2
  }
}