Pith Number

pith:QPCJXNDF

pith:2022:QPCJXNDFAGRT33CDQC5QKHLAPN

not attested not anchored not stored refs pending

A Variance-Reduced Stochastic Gradient Tracking Algorithm for Decentralized Optimization with Orthogonality Constraints

Lei Wang, Xin Liu

arxiv:2208.13643 v1 · 2022-08-29 · math.OC · cs.LG · cs.SY · eess.SY · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPCJXNDFAGRT33CDQC5QKHLAPN}

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	2026-07-05T07:30:44.552476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83c49bb46501a33dec4380bb051d607b45b30d5c4ad68f25b788d0b2354abb3c

Aliases

arxiv: 2208.13643 · arxiv_version: 2208.13643v1 · doi: 10.48550/arxiv.2208.13643 · pith_short_12: QPCJXNDFAGRT · pith_short_16: QPCJXNDFAGRT33CD · pith_short_8: QPCJXNDF

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/QPCJXNDFAGRT33CDQC5QKHLAPN \
  | 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: 83c49bb46501a33dec4380bb051d607b45b30d5c4ad68f25b788d0b2354abb3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d0edc07b2f65c3e9fe309cb9528f432178b09a284531510b4ca24ed8320a948",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY",
      "eess.SY",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-08-29T14:46:44Z",
    "title_canon_sha256": "7b6e199e17e682ad8d4b9af8e5b45be790612444edb323a1233a3172d2dc96f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.13643",
    "kind": "arxiv",
    "version": 1
  }
}