Pith Number

pith:DWUWHSJO

pith:2018:DWUWHSJOYVFMKS55EQ5VTOIGWZ

not attested not anchored not stored refs pending

Asymmetric kernel in Gaussian Processes for learning target variance

Arnold W. M. Smeulders, Jan C. van Gemert, Silvia L. Pintea

arxiv:1803.06952 v1 · 2018-03-19 · cs.LG · cs.CV · 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{DWUWHSJOYVFMKS55EQ5VTOIGWZ}

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	2026-05-18T00:20:40.774332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1da963c92ec54ac54bbd243b59b906b6791c46678c5bd52fb29d8b392c175b46

Aliases

arxiv: 1803.06952 · arxiv_version: 1803.06952v1 · doi: 10.48550/arxiv.1803.06952 · pith_short_12: DWUWHSJOYVFM · pith_short_16: DWUWHSJOYVFMKS55 · pith_short_8: DWUWHSJO

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/DWUWHSJOYVFMKS55EQ5VTOIGWZ \
  | 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: 1da963c92ec54ac54bbd243b59b906b6791c46678c5bd52fb29d8b392c175b46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf2f002ece87cffac61c909f1ba169e25b64e35e958a9f411499223651b2b9b",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-19T14:34:35Z",
    "title_canon_sha256": "4e62cb4caf7050dcf4eacaa01bc88b8fd9c3e7685bb45a9ba1708f1d599b418d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06952",
    "kind": "arxiv",
    "version": 1
  }
}