Pith Number

pith:G3TIOOIZ

pith:2021:G3TIOOIZNX5I6PDNT7SKSMMMRV

not attested not anchored not stored refs pending

Error Compensated Loopless SVRG, Quartz, and SDCA for Distributed Optimization

HanZe Dong, Peter Richt\'arik, Tong Zhang, Xun Qian

arxiv:2109.10049 v1 · 2021-09-21 · 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{G3TIOOIZNX5I6PDNT7SKSMMMRV}

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	2026-07-05T03:15:57.485590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36e68739196dfa8f3c6d9fe4a9318c8d7b53ee35d61cdb3a4add7d5933a30eed

Aliases

arxiv: 2109.10049 · arxiv_version: 2109.10049v1 · doi: 10.48550/arxiv.2109.10049 · pith_short_12: G3TIOOIZNX5I · pith_short_16: G3TIOOIZNX5I6PDN · pith_short_8: G3TIOOIZ

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/G3TIOOIZNX5I6PDNT7SKSMMMRV \
  | 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: 36e68739196dfa8f3c6d9fe4a9318c8d7b53ee35d61cdb3a4add7d5933a30eed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7573962243e84283dc61880a57acd4c35e8de462a10f8847312f93b05645f6a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-09-21T09:31:15Z",
    "title_canon_sha256": "3c7389fb0e39bec60518c12c6e5460cedb1b752dd3534f7af1d6ddd3d28b8f2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10049",
    "kind": "arxiv",
    "version": 1
  }
}