Pith Number

pith:7GICMBKP

pith:2025:7GICMBKPKHSEVQLGS2R3HYKZUQ

not attested not anchored not stored refs pending

An Efficient, Reliable and Observable Collective Communication Library in Large-scale GPU Training Clusters

(2) Beihang University, 3), (3) Shanghai Innovation Institute, 4), (4) Tsinghua University, 5), (5) Zhipu AI, (6) China Unicom Research Institute, (7) Shanghai AI Power Technology Co., Aohan Zeng (4, Bohua Xu (6), Bowen Han (6), Chunming Hu (2) ((1) Infrawaves, Da Liu (1), Fangzheng Jiao (2), He Liu (1), Hongzhou Zhang (7), Jinlong Hou (3), Jun Chen (1), Ltd), Menghao Zhang (2), Mingjun Zhang (1), Mingwei Xu (4), Qing Chen (1), Ruya Gu (1), Shuaixing Duan (5), Wei Chen (1), Wenqi Xie (1), Xiaohe Hu (1, Yang Jing (1), Yanmin Jia (1), Yan Zhang (1), Yuan Cheng (3), Ziteng Chen (1

arxiv:2510.00991 v2 · 2025-10-01 · 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{7GICMBKPKHSEVQLGS2R3HYKZUQ}

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.

Receipt and verification

First computed	2026-06-02T02:04:09.475025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99026054f51e44ac16696a3b3e159a43a179844a7512b1b6e003f3707c47b16

Aliases

arxiv: 2510.00991 · arxiv_version: 2510.00991v2 · doi: 10.48550/arxiv.2510.00991 · pith_short_12: 7GICMBKPKHSE · pith_short_16: 7GICMBKPKHSEVQLG · pith_short_8: 7GICMBKP

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/7GICMBKPKHSEVQLGS2R3HYKZUQ \
  | 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: f99026054f51e44ac16696a3b3e159a43a179844a7512b1b6e003f3707c47b16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94561c2b1ee1a2655a3a58474127f736e5293145398cb29b20614c43e5cf1f12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-10-01T15:01:29Z",
    "title_canon_sha256": "95f98d2871d614a9b9eba44491a98ad7848df8494c7b640f9c4bf0c91f9dd44c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.00991",
    "kind": "arxiv",
    "version": 2
  }
}