Pith Number

pith:JYU5AH7I

pith:2013:JYU5AH7I6C362UPJ66ATS4WHOK

not attested not anchored not stored refs pending

Efficient Optimization of the Likelihood Function in Gaussian Process Modelling

Andrew Butler, Pritam Ranjan, Ronald D. Haynes, Thomas D. Humphries

arxiv:1309.6897 v1 · 2013-09-26 · 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{JYU5AH7I6C362UPJ66ATS4WHOK}

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	2026-05-18T03:12:09.808650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e29d01fe8f0b7ed51e9f7813972c77296f6b734c8817d08226b79e1bdf8d61a

Aliases

arxiv: 1309.6897 · arxiv_version: 1309.6897v1 · doi: 10.48550/arxiv.1309.6897 · pith_short_12: JYU5AH7I6C36 · pith_short_16: JYU5AH7I6C362UPJ · pith_short_8: JYU5AH7I

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/JYU5AH7I6C362UPJ66ATS4WHOK \
  | 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: 4e29d01fe8f0b7ed51e9f7813972c77296f6b734c8817d08226b79e1bdf8d61a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32566bf7b001039e237633f34d5cfddc00b993bccf33d57ba1d0c3a1e01308c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2013-09-26T13:54:31Z",
    "title_canon_sha256": "a3997b4d3b4ac4103b3e255f77862ff3332337d5d2f7658431d0b727aa625db0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6897",
    "kind": "arxiv",
    "version": 1
  }
}