Pith Number

pith:CIVF7ENX

pith:2023:CIVF7ENXBV3XR3UWT4JHE7IXEY

not attested not anchored not stored refs pending

Decentralized Weakly Convex Optimization Over the Stiefel Manifold

Anthony Man-Cho So, Jiang Hu, Jinxin Wang, Shixiang Chen, Zengde Deng

arxiv:2303.17779 v1 · 2023-03-31 · math.OC · 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{CIVF7ENXBV3XR3UWT4JHE7IXEY}

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	2026-07-05T05:56:45.667762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

122a5f91b70d7778ee969f12727d17263078fc9c7717e2f5a1c947cc012142f9

Aliases

arxiv: 2303.17779 · arxiv_version: 2303.17779v1 · doi: 10.48550/arxiv.2303.17779 · pith_short_12: CIVF7ENXBV3X · pith_short_16: CIVF7ENXBV3XR3UW · pith_short_8: CIVF7ENX

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/CIVF7ENXBV3XR3UWT4JHE7IXEY \
  | 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: 122a5f91b70d7778ee969f12727d17263078fc9c7717e2f5a1c947cc012142f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fee4c740885a443cfc298c5ce2c1e16c7cc25370ecc7fb31bec34322c6064cc",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-03-31T02:56:23Z",
    "title_canon_sha256": "0503c2c40aa732ae53011531b5e422f44fb4861a04eaaa1ae584ff1d2682d981"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.17779",
    "kind": "arxiv",
    "version": 1
  }
}