Pith Number

pith:O5FNZDLG

pith:2017:O5FNZDLGNTGUSLZTQSW3IVMIYF

not attested not anchored not stored refs pending

Strictly proper kernel scores and characteristic kernels on compact spaces

Ingo Steinwart, Johanna F. Ziegel

arxiv:1712.05279 v1 · 2017-12-14 · math.FA · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5FNZDLGNTGUSLZTQSW3IVMIYF}

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	2026-05-18T00:27:58.394500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

774adc8d666ccd492f3384adb45588c14f314f9fbba0758c8a644489a1805678

Aliases

arxiv: 1712.05279 · arxiv_version: 1712.05279v1 · doi: 10.48550/arxiv.1712.05279 · pith_short_12: O5FNZDLGNTGU · pith_short_16: O5FNZDLGNTGUSLZT · pith_short_8: O5FNZDLG

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/O5FNZDLGNTGUSLZTQSW3IVMIYF \
  | 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: 774adc8d666ccd492f3384adb45588c14f314f9fbba0758c8a644489a1805678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1bece16dcff3f4f2b1b50e3fa11ad3f23c97e2f237907d86931cec434436bc",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-12-14T15:18:29Z",
    "title_canon_sha256": "cf828a52902da9141b7a883a92499ca4935a25b60cbce5e42b3e2d586e3a8056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05279",
    "kind": "arxiv",
    "version": 1
  }
}