pith. sign in
Pith Number

pith:62ZMYO7T

pith:2012:62ZMYO7TPHLLT2D2QTFYYQRUKZ
not attested not anchored not stored refs pending

Accounting for spatially varying directional effects in spatial covariance structures

Alexandra Mello Schmidt, Joaquim H. Vianna Neto, Peter Guttorp

arxiv:1209.5977 v1 · 2012-09-26 · stat.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{62ZMYO7TPHLLT2D2QTFYYQRUKZ}

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 2026-05-18T03:44:45.786713Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f6b2cc3bf379d6b9e87a84cb8c4234567efca50ca2942b4b788eac2720f9394e

Aliases

arxiv: 1209.5977 · arxiv_version: 1209.5977v1 · doi: 10.48550/arxiv.1209.5977 · pith_short_12: 62ZMYO7TPHLL · pith_short_16: 62ZMYO7TPHLLT2D2 · pith_short_8: 62ZMYO7T
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/62ZMYO7TPHLLT2D2QTFYYQRUKZ \
  | 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: f6b2cc3bf379d6b9e87a84cb8c4234567efca50ca2942b4b788eac2720f9394e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9a0d758dfe470f7c6c355e7444901db97b3cc95f6a02456e06b6c79b17d5fa82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-09-26T15:45:42Z",
    "title_canon_sha256": "fd376dd61f8403eb7859576b00df73fe163139cd6b8fba4d5972747126e084ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5977",
    "kind": "arxiv",
    "version": 1
  }
}