Pith Number

pith:BAH5ZRFO

pith:2025:BAH5ZRFOAGOTYQPFRKE3DPIWUM

not attested not anchored not stored refs pending

PAT: a new algorithm for all-gather and reduce-scatter operations at scale

Sylvain Jeaugey

arxiv:2506.20252 v1 · 2025-06-25 · 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{BAH5ZRFOAGOTYQPFRKE3DPIWUM}

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

1 paper in Pith

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

Receipt and verification

First computed	2026-07-05T11:27:02.628130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

080fdcc4ae019d3c41e58a89b1bd16a323da88ca0c5eb3e24ceb712f92426bef

Aliases

arxiv: 2506.20252 · arxiv_version: 2506.20252v1 · doi: 10.48550/arxiv.2506.20252 · pith_short_12: BAH5ZRFOAGOT · pith_short_16: BAH5ZRFOAGOTYQPF · pith_short_8: BAH5ZRFO

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/BAH5ZRFOAGOTYQPFRKE3DPIWUM \
  | 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: 080fdcc4ae019d3c41e58a89b1bd16a323da88ca0c5eb3e24ceb712f92426bef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa169d5fbe32d5dd005b74ca6a3a3aae852c7889911ac92a45661e4cda21642",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-06-25T08:54:42Z",
    "title_canon_sha256": "3d2a114fbf7e0c137e580c254d22ba067d14c6082c29dd49cf0c9c929f2a1187"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.20252",
    "kind": "arxiv",
    "version": 1
  }
}