Pith Number

pith:XFPUD4KK

pith:2023:XFPUD4KK6BVVDFZVMYXY6YLPOY

not attested not anchored not stored refs pending

On the Optimality of Misspecified Spectral Algorithms

Haobo Zhang, Qian Lin, Yicheng Li

arxiv:2303.14942 v3 · 2023-03-27 · math.ST · cs.LG · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFPUD4KK6BVVDFZVMYXY6YLPOY}

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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

2 papers in Pith

Sharp convergence rates for Spectral methods via the feature space decomposition method

Large Dimensional Kernel Ridge Regression: Extending to Product Kernels

Receipt and verification

First computed	2026-07-05T09:02:10.987710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b95f41f14af06b519735662f8f616f763c2a10edbeb7de0ca56189d63a4d41a0

Aliases

arxiv: 2303.14942 · arxiv_version: 2303.14942v3 · doi: 10.48550/arxiv.2303.14942 · pith_short_12: XFPUD4KK6BVV · pith_short_16: XFPUD4KK6BVVDFZV · pith_short_8: XFPUD4KK

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/XFPUD4KK6BVVDFZVMYXY6YLPOY \
  | 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: b95f41f14af06b519735662f8f616f763c2a10edbeb7de0ca56189d63a4d41a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf14e63e33f9273151f480fc6ee51a65f17308fae7ebb1d9d70643a27f05ad8",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2023-03-27T06:50:31Z",
    "title_canon_sha256": "f7bc5a202808394a91e4e6b6697a731b0b0a1128c93a0bbd511b6943d082850f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.14942",
    "kind": "arxiv",
    "version": 3
  }
}