Pith Number

pith:YCAV3AXG

pith:2022:YCAV3AXGURD6SHV7EHU6KF4LI6

not attested not anchored not stored refs pending

Robust Regularized Low-Rank Matrix Models for Regression and Classification

Feng Yu, Hsin-Hsiung Huang, Teng Zhang, Xing Fan

arxiv:2205.07106 v1 · 2022-05-14 · stat.ML · 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{YCAV3AXGURD6SHV7EHU6KF4LI6}

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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.

Receipt and verification

First computed	2026-07-05T04:23:12.122792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0815d82e6a447e91ebf21e9e5178b478d2d52743b61df49c5cff0f21aef2ce5

Aliases

arxiv: 2205.07106 · arxiv_version: 2205.07106v1 · doi: 10.48550/arxiv.2205.07106 · pith_short_12: YCAV3AXGURD6 · pith_short_16: YCAV3AXGURD6SHV7 · pith_short_8: YCAV3AXG

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/YCAV3AXGURD6SHV7EHU6KF4LI6 \
  | 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: c0815d82e6a447e91ebf21e9e5178b478d2d52743b61df49c5cff0f21aef2ce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3961274c9c6a11aa80fbe082b2fe82b884833dca25da7596a90cb7d14871026",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-05-14T18:03:48Z",
    "title_canon_sha256": "4d850422c8f9c16938f5de9b9f0a6b2b104d77b6af5ea414726e03651c34abb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07106",
    "kind": "arxiv",
    "version": 1
  }
}