Pith Number

pith:W4WTH7TJ

pith:2025:W4WTH7TJIJHNE777PM65T3E4ZY

not attested not anchored not stored refs pending

DreamDDP: Accelerating Data Parallel Distributed LLM Training with Layer-wise Scheduled Partial Synchronization

Amelie Chi Zhou, Bo Li, Junlin Huang, Rudan Yan, Shaohuai Shi, Xiaowen Chu, Xinglin Pan, Yuxin Wang, Zhenheng Tang, Zichen Tang

arxiv:2502.11058 v1 · 2025-02-16 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4WTH7TJIJHNE777PM65T3E4ZY}

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.

Cited by

1 paper in Pith

Compute Can't Handle the Truth: Why Communication Tax Prioritizes Memory and Interconnects in Modern AI Infrastructure

Receipt and verification

First computed	2026-07-05T10:15:03.053288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72d33fe69424ed27fff7b3dd9ec9cce3753372ccd67d61f4685082161b9829e

Aliases

arxiv: 2502.11058 · arxiv_version: 2502.11058v1 · doi: 10.48550/arxiv.2502.11058 · pith_short_12: W4WTH7TJIJHN · pith_short_16: W4WTH7TJIJHNE777 · pith_short_8: W4WTH7TJ

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/W4WTH7TJIJHNE777PM65T3E4ZY \
  | 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: b72d33fe69424ed27fff7b3dd9ec9cce3753372ccd67d61f4685082161b9829e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a42dfef7e73a0e955ba09f43c271dc9be543d8ebae7b889df02f7ebc18250ce3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-02-16T09:51:57Z",
    "title_canon_sha256": "39fc47cf4e00ef4fa68102af948989fce07805f8839ce234984e774b8df2902c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.11058",
    "kind": "arxiv",
    "version": 1
  }
}