Pith Number

pith:3QWK24XV

pith:2023:3QWK24XVUOB67UZLMDSGQ736WM

not attested not anchored not stored refs pending

Variational sparse inverse Cholesky approximation for latent Gaussian processes via double Kullback-Leibler minimization

Felix Jimenez, Florian Schafer, Huiyan Sang, Jian Cao, Matthias Katzfuss, Myeongjong Kang

arxiv:2301.13303 v2 · 2023-01-30 · stat.ML · cs.LG · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QWK24XVUOB67UZLMDSGQ736WM}

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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	2026-07-05T06:14:23.836137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc2cad72f5a383efd32b60e4687f7eb307d1a31b0cef15e47330fa19e0c35f85

Aliases

arxiv: 2301.13303 · arxiv_version: 2301.13303v2 · doi: 10.48550/arxiv.2301.13303 · pith_short_12: 3QWK24XVUOB6 · pith_short_16: 3QWK24XVUOB67UZL · pith_short_8: 3QWK24XV

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/3QWK24XVUOB67UZLMDSGQ736WM \
  | 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: dc2cad72f5a383efd32b60e4687f7eb307d1a31b0cef15e47330fa19e0c35f85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b4e979e6e1438e1e52e2a73ca8718572231bd922ebefcf2f97c5bf6a3d9c0fb",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2023-01-30T21:50:08Z",
    "title_canon_sha256": "286b54ed3a93248b33195685204b30e35a8a26fc8ee520e6187aed74d8b07a30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13303",
    "kind": "arxiv",
    "version": 2
  }
}