Pith Number

pith:RAUAAJGG

pith:2015:RAUAAJGG5VO5O55DD7QFSPOFRT

not attested not anchored not stored refs pending

Mercer kernels and integrated variance experimental design: connections between Gaussian process regression and polynomial approximation

Alex A. Gorodetsky, Youssef M. Marzouk

arxiv:1503.00021 v4 · 2015-02-27 · cs.NA · math.NA · 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{RAUAAJGG5VO5O55DD7QFSPOFRT}

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	2026-05-18T01:16:03.515422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88280024c6ed5dd777a31fe0593dc58cc0ca19235ef68a55bc0a126b8cedefe1

Aliases

arxiv: 1503.00021 · arxiv_version: 1503.00021v4 · doi: 10.48550/arxiv.1503.00021 · pith_short_12: RAUAAJGG5VO5 · pith_short_16: RAUAAJGG5VO5O55D · pith_short_8: RAUAAJGG

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/RAUAAJGG5VO5O55DD7QFSPOFRT \
  | 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: 88280024c6ed5dd777a31fe0593dc58cc0ca19235ef68a55bc0a126b8cedefe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0652b7c2c9a2dee9f771b787029140d976ca651df1a854d983db055b604d66",
    "cross_cats_sorted": [
      "math.NA",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-02-27T21:50:03Z",
    "title_canon_sha256": "5859bd951911739ee3746c34fa067110a71564c957835d76bff767a015e3f095"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00021",
    "kind": "arxiv",
    "version": 4
  }
}