Pith Number

pith:M5XDKSYS

pith:2018:M5XDKSYSCSDS2T4XZCW6EM6OG7

not attested not anchored not stored refs pending

A DAG Model of Synchronous Stochastic Gradient Descent in Distributed Deep Learning

Bo Li, Qiang Wang, Shaohuai Shi, Xiaowen Chu

arxiv:1805.03812 v3 · 2018-05-10 · 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{M5XDKSYSCSDS2T4XZCW6EM6OG7}

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	2026-05-18T00:01:53.263574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

676e354b1214872d4f97c8ade233ce37eb2b3b3c2e796dbea30879f833b36aad

Aliases

arxiv: 1805.03812 · arxiv_version: 1805.03812v3 · doi: 10.48550/arxiv.1805.03812 · pith_short_12: M5XDKSYSCSDS · pith_short_16: M5XDKSYSCSDS2T4X · pith_short_8: M5XDKSYS

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/M5XDKSYSCSDS2T4XZCW6EM6OG7 \
  | 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: 676e354b1214872d4f97c8ade233ce37eb2b3b3c2e796dbea30879f833b36aad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a374721c5229887b7847e4d427960a41e6573ef4db0f3cc278ffd6df06b06a99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-05-10T04:28:49Z",
    "title_canon_sha256": "80c5ef0ab077552b20fd772449b100b6784bd6d0a50283df61bf53491fd4744c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03812",
    "kind": "arxiv",
    "version": 3
  }
}