Pith Number

pith:CA3YCGUJ

pith:2019:CA3YCGUJLHX4PQQDBMEJOYLEL5

not attested not anchored not stored refs pending

Optimizing Network Performance for Distributed DNN Training on GPU Clusters: ImageNet/AlexNet Training in 1.5 Minutes

Peng Sun, Ruobing Han, Shengen Yan, Wansen Feng, Yonggang Wen

arxiv:1902.06855 v3 · 2019-02-19 · 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{CA3YCGUJLHX4PQQDBMEJOYLEL5}

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	2026-07-05T00:13:41.882682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1037811a8959efc7c2030b089761645f688e3efee87ce7437b051eae453e15bd

Aliases

arxiv: 1902.06855 · arxiv_version: 1902.06855v3 · doi: 10.48550/arxiv.1902.06855 · pith_short_12: CA3YCGUJLHX4 · pith_short_16: CA3YCGUJLHX4PQQD · pith_short_8: CA3YCGUJ

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/CA3YCGUJLHX4PQQDBMEJOYLEL5 \
  | 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: 1037811a8959efc7c2030b089761645f688e3efee87ce7437b051eae453e15bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95e5bb278978ef34459591f01996abc0074899f5751bd6d3f0e9d7e62585d57f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-02-19T01:18:56Z",
    "title_canon_sha256": "dbfed68a024ab8842aa74c06dafa7cbb171eee86a571b40fe6c6bd913a30bae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06855",
    "kind": "arxiv",
    "version": 3
  }
}