Pith Number

pith:4QN6ZQ5T

pith:2018:4QN6ZQ5TXX3KQA3AUENWAH4P2W

not attested not anchored not stored refs pending

Reduced Basis Kriging for Big Spatial Fields

Douglas Nychka, Karl T. Pazdernik, Ranjan Maitra, Stephen Sain

arxiv:1803.06287 v2 · 2018-02-23 · stat.ME · stat.AP · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QN6ZQ5TXX3KQA3AUENWAH4P2W}

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	2026-05-18T00:04:39.563030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e41becc3b3bdf6a80360a11b601f8fd5ade83c8dca906e9ce1aee602b80ed16e

Aliases

arxiv: 1803.06287 · arxiv_version: 1803.06287v2 · doi: 10.48550/arxiv.1803.06287 · pith_short_12: 4QN6ZQ5TXX3K · pith_short_16: 4QN6ZQ5TXX3KQA3A · pith_short_8: 4QN6ZQ5T

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/4QN6ZQ5TXX3KQA3AUENWAH4P2W \
  | 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: e41becc3b3bdf6a80360a11b601f8fd5ade83c8dca906e9ce1aee602b80ed16e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da5ca76b4cd067f973deb3643f6d68466a10f203a072e282d1784d06127b30fb",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-02-23T03:37:31Z",
    "title_canon_sha256": "80b5af2583704265f32445bfc05278218af196929bc7f72e0c5c6b43bb6329e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06287",
    "kind": "arxiv",
    "version": 2
  }
}