Pith Number

pith:GTSPHQZD

pith:2019:GTSPHQZDTZL75KLXFL434INZZ5

not attested not anchored not stored refs pending

Qsparse-local-SGD: Distributed SGD with Quantization, Sparsification, and Local Computations

Can Karakus, Debraj Basu, Deepesh Data, Suhas Diggavi

arxiv:1906.02367 v2 · 2019-06-06 · stat.ML · cs.DC · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTSPHQZDTZL75KLXFL434INZZ5}

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	2026-07-05T00:16:34.929866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34e4f3c3239e57fea9772af9be21b9cf51927e16181e7e6f1377712674459794

Aliases

arxiv: 1906.02367 · arxiv_version: 1906.02367v2 · doi: 10.48550/arxiv.1906.02367 · pith_short_12: GTSPHQZDTZL7 · pith_short_16: GTSPHQZDTZL75KLX · pith_short_8: GTSPHQZD

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/GTSPHQZDTZL75KLXFL434INZZ5 \
  | 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: 34e4f3c3239e57fea9772af9be21b9cf51927e16181e7e6f1377712674459794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b09666333a1ba892e8a4814aa09f7fd8dddba371407acf0404a660d0971c0b5d",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-06-06T00:46:30Z",
    "title_canon_sha256": "dd084e4e08144d567323f52690b678088e19a2106505f7e9f08a65379bf71c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02367",
    "kind": "arxiv",
    "version": 2
  }
}