Pith Number

pith:TSK5Y723

pith:2022:TSK5Y7232I2OH2CDSAYIGU6IHN

not attested not anchored not stored refs pending

Kernel Packet: An Exact and Scalable Algorithm for Gaussian Process Regression with Mat\'ern Correlations

Haoyuan Chen, Liang Ding, Rui Tuo

arxiv:2203.03116 v2 · 2022-03-07 · stat.ML · cs.LG · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSK5Y7232I2OH2CDSAYIGU6IHN}

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	2026-07-05T04:03:28.470411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c95dc7f5bd234e3e84390308353c83b7670552808edb6787a31508e1b5f88f3

Aliases

arxiv: 2203.03116 · arxiv_version: 2203.03116v2 · doi: 10.48550/arxiv.2203.03116 · pith_short_12: TSK5Y7232I2O · pith_short_16: TSK5Y7232I2OH2CD · pith_short_8: TSK5Y723

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/TSK5Y7232I2OH2CDSAYIGU6IHN \
  | 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: 9c95dc7f5bd234e3e84390308353c83b7670552808edb6787a31508e1b5f88f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf904145a93bf4506480909e48b7dd8dada091c4b78c575c9e7d13f3923ac4f",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-03-07T03:30:35Z",
    "title_canon_sha256": "24c616db8604630ea8f6f1a379ee780d621bc7b1cd1a1e07abac227c03e14c5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.03116",
    "kind": "arxiv",
    "version": 2
  }
}