Pith Number

pith:P7MZW6NN

pith:2012:P7MZW6NNEPOVUOMTKNXEDQGKOF

not attested not anchored not stored refs pending

A Framework for Evaluating Approximation Methods for Gaussian Process Regression

Christopher K. I. Williams, Iain Murray, Krzysztof Chalupka

arxiv:1205.6326 v2 · 2012-05-29 · stat.ML · cs.LG · 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{P7MZW6NNEPOVUOMTKNXEDQGKOF}

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	2026-05-18T03:41:32.114173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fd99b79ad23dd5a3993536e41c0ca71551398824bbeea5e104ce3031fd45994

Aliases

arxiv: 1205.6326 · arxiv_version: 1205.6326v2 · doi: 10.48550/arxiv.1205.6326 · pith_short_12: P7MZW6NNEPOV · pith_short_16: P7MZW6NNEPOVUOMT · pith_short_8: P7MZW6NN

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/P7MZW6NNEPOVUOMTKNXEDQGKOF \
  | 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: 7fd99b79ad23dd5a3993536e41c0ca71551398824bbeea5e104ce3031fd45994

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e79e8b66a78ccbe1b99da5b1ecab2e35de433d969a3093d302375ac162640aff",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-05-29T10:59:30Z",
    "title_canon_sha256": "5c1edf69fe7eb64e91c013086ef0790c512db1e0c74741c3de9b504c59056363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6326",
    "kind": "arxiv",
    "version": 2
  }
}