Pith Number

pith:L5U5XIW7

pith:2024:L5U5XIW7WFOYQBD75Z3IK3G77K

not attested not anchored not stored refs pending

Echo: Simulating Distributed Training At Scale

Chuan Wu, Hong Xu, Jingzong Li, Kaiwen Chen, Peng Cheng, Tianyuan Wu, Tsung-Yi Ho, Wei Wang, Yicheng Feng, Yuetao Chen

arxiv:2412.12487 v1 · 2024-12-17 · cs.LG · 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{L5U5XIW7WFOYQBD75Z3IK3G77K}

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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

6 papers in Pith

Simulating Unified Tensor Resharding in heterogeneous AI systems

Libra: Efficient Resource Management for Agentic RL Post-Training

Charon: A Unified and Fine-Grained Simulator for Large-Scale LLM Training and Inference

Frontier: Towards Comprehensive and Accurate LLM Inference Simulation

Charon: A Unified and Fine-Grained Simulator for Large-Scale LLM Training and Inference

Receipt and verification

First computed	2026-07-05T09:50:15.666969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f69dba2dfb15d88047fee76856cdffab04c441a7306175c091d7d37ba8dcd35

Aliases

arxiv: 2412.12487 · arxiv_version: 2412.12487v1 · doi: 10.48550/arxiv.2412.12487 · pith_short_12: L5U5XIW7WFOY · pith_short_16: L5U5XIW7WFOYQBD7 · pith_short_8: L5U5XIW7

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/L5U5XIW7WFOYQBD75Z3IK3G77K \
  | 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: 5f69dba2dfb15d88047fee76856cdffab04c441a7306175c091d7d37ba8dcd35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73d7c29c6c386faf26b547e50fad7b057393bdb5a85bdbd9dd65655abd49d9b",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-17T02:44:35Z",
    "title_canon_sha256": "e2d44b9f9d6d60f62a4ded41a8600af20323cf50937810dab41a8f5f1a36f790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.12487",
    "kind": "arxiv",
    "version": 1
  }
}