Pith Number

pith:S6QYSWLW

pith:2023:S6QYSWLWZYIQAMTOQD7SYZPEHZ

not attested not anchored not stored refs pending

Sparse Cholesky Factorization for Solving Nonlinear PDEs via Gaussian Processes

Florian Sch\"afer, Houman Owhadi, Yifan Chen

arxiv:2304.01294 v3 · 2023-04-03 · math.NA · cs.NA · math.OC · math.ST · stat.ML · 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{S6QYSWLWZYIQAMTOQD7SYZPEHZ}

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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

1 paper in Pith

LVM-GP: Uncertainty-Aware PDE Solver via coupling latent variable model and Gaussian process

Receipt and verification

First computed	2026-07-05T07:54:00.177970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97a1895976ce1100326e80ff2c65e43e7569d74cdaeab8a8cef46b0857315910

Aliases

arxiv: 2304.01294 · arxiv_version: 2304.01294v3 · doi: 10.48550/arxiv.2304.01294 · pith_short_12: S6QYSWLWZYIQ · pith_short_16: S6QYSWLWZYIQAMTO · pith_short_8: S6QYSWLW

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/S6QYSWLWZYIQAMTOQD7SYZPEHZ \
  | 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: 97a1895976ce1100326e80ff2c65e43e7569d74cdaeab8a8cef46b0857315910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcc4b0f1aa2eb86a7ac82ab0ae0079eed447d7e962f9e0932fddfac9b067a7ea",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-04-03T18:35:28Z",
    "title_canon_sha256": "e58e14afc5410268a0d10926a42b5032bba74ae0c9473d3bb417ea5ada177bed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.01294",
    "kind": "arxiv",
    "version": 3
  }
}