Pith Number

pith:UHFQFZGH

pith:2025:UHFQFZGHTX4BF3BZWUV6CGYNTC

not attested not anchored not stored refs pending

Understanding Stragglers in Large Model Training Using What-if Analysis

Aurojit Panda, Chenyuan Wang, Haibin Lin, Jinkun Lin, Jinyang Li, Menghan Yu, Shuguang Wang, Sida Zhao, Wei Jia, Xiang Shi, Xin Liu, Zhanghan Wang, Zherui Liu, Ziheng Jiang, Zuocheng Shi, Zuquan Song

arxiv:2505.05713 v2 · 2025-05-09 · cs.DC · 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{UHFQFZGHTX4BF3BZWUV6CGYNTC}

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

5 papers in Pith

From Detection to Recovery: Operational Analysis on LLM Pre-training with 504 GPUs

GhostServe: A Lightweight Checkpointing System in the Shadow for Fault-Tolerant LLM Serving

ResiHP: Taming LLM Training Failures with Dynamic Hybrid Parallelism

From Detection to Recovery: Operational Analysis on LLM Pre-training with 504 GPUs

ResiHP: Taming LLM Training Failures with Dynamic Hybrid Parallelism

Receipt and verification

First computed	2026-07-05T11:01:37.086934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1cb02e4c79df812ec39b52be11b0d98ab46239bb2f5c8bbeb448acc2445f5f0

Aliases

arxiv: 2505.05713 · arxiv_version: 2505.05713v2 · doi: 10.48550/arxiv.2505.05713 · pith_short_12: UHFQFZGHTX4B · pith_short_16: UHFQFZGHTX4BF3BZ · pith_short_8: UHFQFZGH

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/UHFQFZGHTX4BF3BZWUV6CGYNTC \
  | 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: a1cb02e4c79df812ec39b52be11b0d98ab46239bb2f5c8bbeb448acc2445f5f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf2e93b0b0f7b936b0154d53370e10cc3818a7d4155b192d0c1cbca864eed3c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-05-09T01:24:24Z",
    "title_canon_sha256": "9d572983e2d637d5a9929d63644f755a110757252ee828884835ca5d323bb464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.05713",
    "kind": "arxiv",
    "version": 2
  }
}