Pith Number

pith:OI66DBXY

pith:2012:OI66DBXYVLI5CBAK275IY3IY35

not attested not anchored not stored refs pending

A class of covariate-dependent spatiotemporal covariance functions for the analysis of daily ozone concentration

Alexandra M. Schmidt, Amy J. Nail, Brian J. Reich, Jo Eidsvik, Michele Guindani

arxiv:1202.6172 v1 · 2012-02-28 · stat.AP

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OI66DBXYVLI5CBAK275IY3IY35}

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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	2026-05-18T04:01:14.012783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

723de186f8aad1d1040ad7fa8c6d18df44ec8117b2bc736be8a2c9b964243a65

Aliases

arxiv: 1202.6172 · arxiv_version: 1202.6172v1 · doi: 10.48550/arxiv.1202.6172 · pith_short_12: OI66DBXYVLI5 · pith_short_16: OI66DBXYVLI5CBAK · pith_short_8: OI66DBXY

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/OI66DBXYVLI5CBAK275IY3IY35 \
  | 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: 723de186f8aad1d1040ad7fa8c6d18df44ec8117b2bc736be8a2c9b964243a65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47c6384486066fb1e7d27d9eafd0626f75b78ea1ebaa1158734a32e8db30959c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-02-28T10:33:00Z",
    "title_canon_sha256": "e1f9eb7f68a9e70669f30ac8ed524325c3a64d98c2ef8aee197ee53894ad47a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6172",
    "kind": "arxiv",
    "version": 1
  }
}