Pith Number

pith:ECFTALVJ

pith:2022:ECFTALVJZJI7PPKS66RH4NFWNF

not attested not anchored not stored refs pending

Equispaced Fourier representations for efficient Gaussian process regression from a billion data points

Alex Barnett, Manas Rachh, Philip Greengard

arxiv:2210.10210 v2 · 2022-10-18 · stat.CO · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECFTALVJZJI7PPKS66RH4NFWNF}

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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.

Cited by

1 paper in Pith

A gradient-based and determinant-free framework for fully Bayesian Gaussian process regression

Receipt and verification

First computed	2026-07-05T06:11:17.403972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208b302ea9ca51f7bd52f7a27e34b6696b8e299f40c3403ffb29d83ec514d32a

Aliases

arxiv: 2210.10210 · arxiv_version: 2210.10210v2 · doi: 10.48550/arxiv.2210.10210 · pith_short_12: ECFTALVJZJI7 · pith_short_16: ECFTALVJZJI7PPKS · pith_short_8: ECFTALVJ

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/ECFTALVJZJI7PPKS66RH4NFWNF \
  | 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: 208b302ea9ca51f7bd52f7a27e34b6696b8e299f40c3403ffb29d83ec514d32a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "904006aae0b0e380c531e56fa1409e2ee2f4beafad57644e035c54299c01f0b9",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2022-10-18T23:28:47Z",
    "title_canon_sha256": "2f6f2aed5483038c03fd357676dcc3d9d230cb2679de3e3acae5aeec7f05805c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.10210",
    "kind": "arxiv",
    "version": 2
  }
}