Pith Number

pith:UOV4RIQH

pith:2017:UOV4RIQHJSQ3QHOY74ZWGSFUIW

not attested not anchored not stored refs pending

Sparse Communication for Distributed Gradient Descent

Alham Fikri Aji, Kenneth Heafield

arxiv:1704.05021 v2 · 2017-04-17 · cs.CL · cs.DC · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UOV4RIQHJSQ3QHOY74ZWGSFUIW}

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

Cloudless-Training: A Framework to Improve Efficiency of Geo-Distributed ML Training

Receipt and verification

First computed	2026-07-05T03:35:23.892266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3abc8a2074ca1b81dd8ff336348b445ab57ce9951e4f1fc68eaeb49359b38b4

Aliases

arxiv: 1704.05021 · arxiv_version: 1704.05021v2 · doi: 10.48550/arxiv.1704.05021 · pith_short_12: UOV4RIQHJSQ3 · pith_short_16: UOV4RIQHJSQ3QHOY · pith_short_8: UOV4RIQH

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/UOV4RIQHJSQ3QHOY74ZWGSFUIW \
  | 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: a3abc8a2074ca1b81dd8ff336348b445ab57ce9951e4f1fc68eaeb49359b38b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27b0bf2b6d6810257c0de9e2f1fdef2dffcc339e1654ad0715e3d15b6ab98bec",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-04-17T16:32:02Z",
    "title_canon_sha256": "3990a204006642bf47a3b4d2ae7e6325e6eedc2ed7c1d52e0429beb9eaa08343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05021",
    "kind": "arxiv",
    "version": 2
  }
}