Pith Number

pith:OS3RGAYO

pith:2026:OS3RGAYOMX2L72DBC3TTU744OR

not attested not anchored not stored refs pending

Approximating Gaussian Whittle-Matern Fields over Well-Centered Triangulations of Riemannian Manifolds

Srinivas Nambirajan

arxiv:2606.13827 v2 · 2026-06-11 · math.NA · cs.LG · 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{OS3RGAYOMX2L72DBC3TTU744OR}

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	2026-06-19T16:10:00.613951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74b713030e65f4bfe86116e73a7f9c7455f151c46a6a756353b60e82b96a0b72

Aliases

arxiv: 2606.13827 · arxiv_version: 2606.13827v2 · doi: 10.48550/arxiv.2606.13827 · pith_short_12: OS3RGAYOMX2L · pith_short_16: OS3RGAYOMX2L72DB · pith_short_8: OS3RGAYO

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/OS3RGAYOMX2L72DBC3TTU744OR \
  | 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: 74b713030e65f4bfe86116e73a7f9c7455f151c46a6a756353b60e82b96a0b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "750e6a8c25009fa5eef4e618663bd24b318612bdafcf620cc84563de8ec6e1b5",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-11T18:58:55Z",
    "title_canon_sha256": "fb68d11568e339a97203976c5b6c15eb250fee00d638ba548a5105cc088df8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.13827",
    "kind": "arxiv",
    "version": 2
  }
}