Pith Number

pith:OUQV7OWE

pith:2011:OUQV7OWEBT2LXHVETGEGPUW6TG

not attested not anchored not stored refs pending

Penalized maximum likelihood estimation and variable selection in geostatistics

Haonan Wang, Jun Zhu, Tingjin Chu

arxiv:1109.0320 v2 · 2011-09-01 · stat.ME · math.ST · 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{OUQV7OWEBT2LXHVETGEGPUW6TG}

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	2026-05-18T04:01:39.481272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75215fbac40cf4bb9ea4998867d2de99bbb409ece128d5ae2636bb465e0b129a

Aliases

arxiv: 1109.0320 · arxiv_version: 1109.0320v2 · doi: 10.48550/arxiv.1109.0320 · pith_short_12: OUQV7OWEBT2L · pith_short_16: OUQV7OWEBT2LXHVE · pith_short_8: OUQV7OWE

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/OUQV7OWEBT2LXHVETGEGPUW6TG \
  | 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: 75215fbac40cf4bb9ea4998867d2de99bbb409ece128d5ae2636bb465e0b129a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4c892bc9fd9a6eecfe3a6f0bce11695bf5dbd00ae462cae1e1c90192102a01b",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-09-01T22:45:31Z",
    "title_canon_sha256": "a817655bab8cdfad7d81b6e2a9679abcdac37c1e050f43ab24fddee697205fc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0320",
    "kind": "arxiv",
    "version": 2
  }
}