Pith Number

pith:T4XGT3RV

pith:2025:T4XGT3RV7P5JXRN2GYZEECNJHI

not attested not anchored not stored refs pending

Communication-Efficient, 2D Parallel Stochastic Gradient Descent for Distributed-Memory Optimization

Aditya Devarakonda, Ramakrishnan Kannan

arxiv:2501.07526 v2 · 2025-01-13 · cs.DC · 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{T4XGT3RV7P5JXRN2GYZEECNJHI}

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	2026-06-26T01:15:43.212582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2e69ee35fbfa9bc5ba36324209a93a36a5ce8ccf2ba806e525a551a250cadd

Aliases

arxiv: 2501.07526 · arxiv_version: 2501.07526v2 · doi: 10.48550/arxiv.2501.07526 · pith_short_12: T4XGT3RV7P5J · pith_short_16: T4XGT3RV7P5JXRN2 · pith_short_8: T4XGT3RV

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/T4XGT3RV7P5JXRN2GYZEECNJHI \
  | 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: 9f2e69ee35fbfa9bc5ba36324209a93a36a5ce8ccf2ba806e525a551a250cadd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b72b56b8969c98a0843800cf9eaaf25c7cd2818c40ed576e951478f76c40fb9",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-01-13T17:56:39Z",
    "title_canon_sha256": "565686d34581bb344d4e753cc92f6efbdd67244b4c00f5606b4f257a0fe48abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.07526",
    "kind": "arxiv",
    "version": 2
  }
}