Pith Number

pith:AOWVNHXU

pith:2026:AOWVNHXUKFV32BPOUUNBVR6NOA

not attested not anchored not stored refs pending

Robust Prediction Variance Estimation for Gaussian Process Regression Under Covariance Smoothness Misspecification

Roberto Rivera

arxiv:2606.04322 v1 · 2026-06-03 · stat.ME · math.ST · 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{AOWVNHXUKFV32BPOUUNBVR6NOA}

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.

Receipt and verification

First computed	2026-06-04T01:09:03.569125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ad569ef4516bbd05eea51a1ac7cd7017176f7a2e16bd938789868540e9031d

Aliases

arxiv: 2606.04322 · arxiv_version: 2606.04322v1 · doi: 10.48550/arxiv.2606.04322 · pith_short_12: AOWVNHXUKFV3 · pith_short_16: AOWVNHXUKFV32BPO · pith_short_8: AOWVNHXU

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/AOWVNHXUKFV32BPOUUNBVR6NOA \
  | 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: 03ad569ef4516bbd05eea51a1ac7cd7017176f7a2e16bd938789868540e9031d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20cb988d986f825f983ef4513ccb388af943799c8e3e0f3bd1a3a8a31e1a94e1",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-03T00:51:02Z",
    "title_canon_sha256": "816b53973b4489965f3c07a1b46719f0466e1225c1ffabf0c1413ae6e71da6d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04322",
    "kind": "arxiv",
    "version": 1
  }
}