Pith Number

pith:DQJFNM67

pith:2025:DQJFNM67QZCB3SJ2LNCQ2VRI34

not attested not anchored not stored refs pending

Enhancing Distributional Robustness in Principal Component Analysis by Wasserstein Distances

Lei Wang, Xiaojun Chen, Xin Liu

arxiv:2503.02494 v2 · 2025-03-04 · math.OC · cs.LG · stat.ML

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\usepackage{pith}
\pithnumber{DQJFNM67QZCB3SJ2LNCQ2VRI34}

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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

3 papers in Pith

Distributionally Robust PCA with Data-Adaptive Wasserstein Geometry

An inexact variable metric proximal linearization method for composite optimization on manifolds

An Adaptive Smoothing Algorithm for Non-Lipschitz Optimization on Manifolds with Complexity Guarantees

Receipt and verification

First computed	2026-07-05T11:35:12.428388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c1256b3df86441dc93a5b450d5628df2a949c90e2ed6dad2b247c7d2c98d54d

Aliases

arxiv: 2503.02494 · arxiv_version: 2503.02494v2 · doi: 10.48550/arxiv.2503.02494 · pith_short_12: DQJFNM67QZCB · pith_short_16: DQJFNM67QZCB3SJ2 · pith_short_8: DQJFNM67

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/DQJFNM67QZCB3SJ2LNCQ2VRI34 \
  | 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: 1c1256b3df86441dc93a5b450d5628df2a949c90e2ed6dad2b247c7d2c98d54d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6902f0cc6cf74c56dd6e1eb5b781ea49ff37d35bebe9eda3d78a26ba5bf6bb49",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-03-04T11:00:08Z",
    "title_canon_sha256": "a218a22d1148a8d945fc328dc918909fb930e2b76bf71ad96a2d8a601d9bb82c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.02494",
    "kind": "arxiv",
    "version": 2
  }
}