Pith Number

pith:WT4ADOFA

pith:2026:WT4ADOFAUS5QEGYM63CKCCQY6Y

not attested not anchored not stored refs pending

Every Microsecond Matters: Achieving Near Speed-of-Light Latency in GPU Collectives

Anton Korzh, Arnav Goel, Jeff R. Hammond, John Bachan, Kamil Iskra, Ludwig Schneider, Nishank Chandawala, Pouya Kousha, Siyuan Shen, Sylvain Jeaugey, Tiancheng Chen, Torsten Hoefler, Zhenhao He

arxiv:2607.16100 v1 · 2026-07-17 · 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{WT4ADOFAUS5QEGYM63CKCCQY6Y}

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	2026-07-20T02:19:30.920288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4f801b8a0a4bb021b0cf6c4a10a18f60029bf8fffa52840f1da6f764c46aba1

Aliases

arxiv: 2607.16100 · arxiv_version: 2607.16100v1 · doi: 10.48550/arxiv.2607.16100 · pith_short_12: WT4ADOFAUS5Q · pith_short_16: WT4ADOFAUS5QEGYM · pith_short_8: WT4ADOFA

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/WT4ADOFAUS5QEGYM63CKCCQY6Y \
  | 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: b4f801b8a0a4bb021b0cf6c4a10a18f60029bf8fffa52840f1da6f764c46aba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb602bedc87e65f7d739682cd99b8fbaad0eba110ff0e2ac78314bcc489a53b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-07-17T16:36:43Z",
    "title_canon_sha256": "c7c5d2354c532891c2c1866a52213491432ef7dcacaf3bad11c249b3be4c3b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16100",
    "kind": "arxiv",
    "version": 1
  }
}