Pith Number

pith:IUHQEA6C

pith:2025:IUHQEA6CW7MRZJLSGLQVZIIEFY

not attested not anchored not stored refs pending

RailX: A Flexible, Scalable, and Low-Cost Network Architecture for Hyper-Scale LLM Training Systems

Kaisheng Ma, Shiju Wang, Siyuan Shen, Tiancheng Chen, Torsten Hoefler, Wei Li, Yinxiao Feng, Yuchen Wei

arxiv:2507.18889 v1 · 2025-07-25 · cs.AR · cs.DC · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUHQEA6CW7MRZJLSGLQVZIIEFY}

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

2 papers in Pith

Switching Efficiency: A Novel Framework for Dissecting AI Data Center Network Efficiency

ChipLight: Cross-Layer Optimization of Chiplet Design with Optical Interconnects for LLM Training

Receipt and verification

First computed	2026-07-05T11:43:15.592415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450f0203c2b7d91ca57232e15ca1042e0521ee4f0087602e105b91fbd5968f35

Aliases

arxiv: 2507.18889 · arxiv_version: 2507.18889v1 · doi: 10.48550/arxiv.2507.18889 · pith_short_12: IUHQEA6CW7MR · pith_short_16: IUHQEA6CW7MRZJLS · pith_short_8: IUHQEA6C

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/IUHQEA6CW7MRZJLSGLQVZIIEFY \
  | 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: 450f0203c2b7d91ca57232e15ca1042e0521ee4f0087602e105b91fbd5968f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "802d6edf60ca489a81491f0b3bab49c3a8607de0c748370634b0cc467fee4856",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2025-07-25T02:16:08Z",
    "title_canon_sha256": "cad555559d93fe38127eb416a2b8b7c178adb90ff1334854d50b4713e892f9ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18889",
    "kind": "arxiv",
    "version": 1
  }
}