Pith Number

pith:U4ZSMGA3

pith:2026:U4ZSMGA3B3DTXH2BAL3DMWW76S

not attested not anchored not stored refs pending

ScaleAcross Explorer: Exploring Communication Optimization for Scale-Across AI Model Training

Adi Gangidi, Alicia Golden, Ashmitha Jeevaraj Shetty, Carole-Jean Wu, Dong He, Haoci Zhang, James Hongyi Zeng, Michael Kuchnik, Minghao Li, Minlan Yu, Ruoming Pang, Samuel Hsia, Weiwei Chu, Xu Zhang, Ying Zhang, Yuchen Hao, Zachary DeVito

arxiv:2605.24326 v1 · 2026-05-23 · cs.DC · cs.AI · 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{U4ZSMGA3B3DTXH2BAL3DMWW76S}

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	2026-05-26T01:03:00.152073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a73326181b0ec73b9f4102f6365adff4bb1d23f873ccd6636ace6e5e1904791c

Aliases

arxiv: 2605.24326 · arxiv_version: 2605.24326v1 · doi: 10.48550/arxiv.2605.24326 · pith_short_12: U4ZSMGA3B3DT · pith_short_16: U4ZSMGA3B3DTXH2B · pith_short_8: U4ZSMGA3

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/U4ZSMGA3B3DTXH2BAL3DMWW76S \
  | 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: a73326181b0ec73b9f4102f6365adff4bb1d23f873ccd6636ace6e5e1904791c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b4e46d260563dcd4fc305ae4cd3c9cdbdccd9c6b5c6b9553e76b9b09ac829b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-05-23T01:11:19Z",
    "title_canon_sha256": "4933537534afa7ae13ad46465d1fcfb1585f5098aa8cc6dbc42bb1c10bc54c9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24326",
    "kind": "arxiv",
    "version": 1
  }
}