Pith Number

pith:DW7ZUEYW

pith:2025:DW7ZUEYWYDX4DDTFZSFGPPPXPM

not attested not anchored not stored refs pending

Overcoming the Communication-Performance Tradeoff in LLM Pretraining

Amir Sarfi, Benjamin Th\'erien, Eugene Belilovsky, Joel Lidin

arxiv:2508.15706 v3 · 2025-08-21 · 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{DW7ZUEYWYDX4DDTFZSFGPPPXPM}

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

7 papers in Pith

Unifying Local Communications and Local Updates for LLM Pretraining

Learned Subspace Compression for Communication-Efficient Pipeline Parallelism

FoMoE: Breaking the Full-Replica Barrier with a Federation of MoEs

Understanding and Exploiting Weight Update Sparsity for Communication-Efficient Distributed RL

ROSE: Rollout On Serving GPUs via Cooperative Elasticity for Agentic RL

Receipt and verification

First computed	2026-07-24T01:22:59.672093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dbf9a1316c0efc18e65cc8a67bdf77b3595f9f171bca1b4bb92dc4881eeb2c9

Aliases

arxiv: 2508.15706 · arxiv_version: 2508.15706v3 · doi: 10.48550/arxiv.2508.15706 · pith_short_12: DW7ZUEYWYDX4 · pith_short_16: DW7ZUEYWYDX4DDTF · pith_short_8: DW7ZUEYW

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/DW7ZUEYWYDX4DDTFZSFGPPPXPM \
  | 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: 1dbf9a1316c0efc18e65cc8a67bdf77b3595f9f171bca1b4bb92dc4881eeb2c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f67c3079c4fd8251f5ab6b604b36ae11df9726e0a315a08e6aa4c50dcb78baf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-21T16:48:19Z",
    "title_canon_sha256": "ccf652e6459adc3ce58bfc02a64497cb64964de4fc20e3d27ea2dee69d082f8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15706",
    "kind": "arxiv",
    "version": 3
  }
}