Pith Number

pith:7D5SY4SO

pith:2014:7D5SY4SOKYDYIWU4OPIC6MZHHU

not attested not anchored not stored refs pending

Parallel Gaussian Process Regression with Low-Rank Covariance Matrix Approximations

Colin Keng-Yan Tan, Jie Chen, Kian Hsiang Low, Nannan Cao, Patrick Jaillet, Ruofei Ouyang

arxiv:1408.2060 v1 · 2014-08-09 · cs.LG · cs.DC · 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{7D5SY4SOKYDYIWU4OPIC6MZHHU}

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	2026-05-18T02:45:30.462642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8fb2c724e5607845a9c73d02f33273d1c77556767cd2d0f6ebd79dc08caf56d

Aliases

arxiv: 1408.2060 · arxiv_version: 1408.2060v1 · doi: 10.48550/arxiv.1408.2060 · pith_short_12: 7D5SY4SOKYDY · pith_short_16: 7D5SY4SOKYDYIWU4 · pith_short_8: 7D5SY4SO

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/7D5SY4SOKYDYIWU4OPIC6MZHHU \
  | 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: f8fb2c724e5607845a9c73d02f33273d1c77556767cd2d0f6ebd79dc08caf56d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afe9bb687889c632e0548d550ca1611b7d60f4ae6a4da48824c6169e905977fd",
    "cross_cats_sorted": [
      "cs.DC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-08-09T05:58:33Z",
    "title_canon_sha256": "ff04e89bf8e660b5d0ded5379135235922a71c07f08cf75822a936437b5256fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2060",
    "kind": "arxiv",
    "version": 1
  }
}