Pith Number

pith:OW5NTBM3

pith:2025:OW5NTBM3NYYBVJHIXPRXJ3A35L

not attested not anchored not stored refs pending

Weighted Low-rank Approximation via Stochastic Gradient Descent on Manifolds

Conglong Xu, Hao Wu, Peiqi Yang

arxiv:2502.14174 v1 · 2025-02-20 · math.OC · cs.AI · cs.LG · 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{OW5NTBM3NYYBVJHIXPRXJ3A35L}

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.

Cited by

1 paper in Pith

Convergence of Riemannian Stochastic Gradient Descents: Varying Batch Sizes And Nonstandard Batch Forming

Receipt and verification

First computed	2026-07-05T10:17:22.081389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75bad9859b6e301aa4e8bbe374ec1beae6b4c7c0b2423a8570b226f889f4e3e8

Aliases

arxiv: 2502.14174 · arxiv_version: 2502.14174v1 · doi: 10.48550/arxiv.2502.14174 · pith_short_12: OW5NTBM3NYYB · pith_short_16: OW5NTBM3NYYBVJHI · pith_short_8: OW5NTBM3

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/OW5NTBM3NYYBVJHIXPRXJ3A35L \
  | 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: 75bad9859b6e301aa4e8bbe374ec1beae6b4c7c0b2423a8570b226f889f4e3e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b39828a9affb98ece65b893aa0fedd476379b39306679962f52c6f50c9777ccb",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-02-20T00:59:50Z",
    "title_canon_sha256": "ee481d14ebfa722243a1b5ff1843544fc1baf13db4e202a5e11ceb09a126518b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.14174",
    "kind": "arxiv",
    "version": 1
  }
}