Pith Number

pith:TUXMEFA6

pith:2023:TUXMEFA6DERV5ZN6XZEMLXT2KE

not attested not anchored not stored refs pending

Robust, randomized preconditioning for kernel ridge regression

Ethan N. Epperly, Joel A. Tropp, Mateo D\'iaz, Robert J. Webber, Zachary Frangella

arxiv:2304.12465 v6 · 2023-04-24 · math.NA · cs.NA · 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{TUXMEFA6DERV5ZN6XZEMLXT2KE}

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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

Scalable Kernel Quantile Regression: A Preconditioned Augmented Lagrangian Method

Accelerating Regularized Attention Kernel Regression for Spectrum Cartography

Adaptive LSQR Preconditioning from One Small Sketch

Receipt and verification

First computed	2026-08-12T01:24:10.554613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d2ec2141e19235ee5bebe48c5de7a5110d5cb0f116456ba671d8862843476ea

Aliases

arxiv: 2304.12465 · arxiv_version: 2304.12465v6 · doi: 10.48550/arxiv.2304.12465 · pith_short_12: TUXMEFA6DERV · pith_short_16: TUXMEFA6DERV5ZN6 · pith_short_8: TUXMEFA6

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/TUXMEFA6DERV5ZN6XZEMLXT2KE \
  | 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: 9d2ec2141e19235ee5bebe48c5de7a5110d5cb0f116456ba671d8862843476ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c31d139c09f2f35a56e847ddec6fd91c1cc553b9af8138c2b2e5862574c4b8",
    "cross_cats_sorted": [
      "cs.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-04-24T21:48:24Z",
    "title_canon_sha256": "79297fc75b24044b6b2eaa3a5ce5e34ad9a987db006e1c7e96d4a1133498f240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.12465",
    "kind": "arxiv",
    "version": 6
  }
}