Pith Number

pith:4PCYJCXM

pith:2012:4PCYJCXMU52MEKRRGNSCZYUHVY

not attested not anchored not stored refs pending

EigenGP: Sparse Gaussian process models with data-dependent eigenfunctions

Bo Dai, Yao Zhu, Yuan Qi

arxiv:1204.3972 v3 · 2012-04-18 · cs.LG · stat.CO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PCYJCXMU52MEKRRGNSCZYUHVY}

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	2026-05-18T03:30:56.172421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3c5848aeca774c22a3133642ce287ae13acdf19a03d14ca059f03b7d4a1c385

Aliases

arxiv: 1204.3972 · arxiv_version: 1204.3972v3 · doi: 10.48550/arxiv.1204.3972 · pith_short_12: 4PCYJCXMU52M · pith_short_16: 4PCYJCXMU52MEKRR · pith_short_8: 4PCYJCXM

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/4PCYJCXMU52MEKRRGNSCZYUHVY \
  | 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: e3c5848aeca774c22a3133642ce287ae13acdf19a03d14ca059f03b7d4a1c385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e18b864d490dec850a9272b752e2317bf87cc1552de61619118acde37504be51",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-04-18T04:43:24Z",
    "title_canon_sha256": "bd3e9ddea9b6b0595c4cbe517d3b349727b2ad5a3635442a228dcab76a7f4cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3972",
    "kind": "arxiv",
    "version": 3
  }
}