Pith Number

pith:IJ4XHIVH

pith:2012:IJ4XHIVHCGXWWJG5GCRJMMZEUD

not attested not anchored not stored refs pending

Multiple Operator-valued Kernel Learning

Alain Rakotomamonjy (LITIS), Francis Bach (INRIA Paris - Rocquencourt, Hachem Kadri (INRIA Lille - Nord Europe), LIENS), Philippe Preux (INRIA Lille - Nord Europe)

arxiv:1203.1596 v2 · 2012-03-07 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJ4XHIVHCGXWWJG5GCRJMMZEUD}

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	2026-05-18T03:53:42.176891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

427973a2a711af6b24dd30a2963324a0d4799d5cb6148cd8aa5dd6f8d63e348e

Aliases

arxiv: 1203.1596 · arxiv_version: 1203.1596v2 · doi: 10.48550/arxiv.1203.1596 · pith_short_12: IJ4XHIVHCGXW · pith_short_16: IJ4XHIVHCGXWWJG5 · pith_short_8: IJ4XHIVH

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/IJ4XHIVHCGXWWJG5GCRJMMZEUD \
  | 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: 427973a2a711af6b24dd30a2963324a0d4799d5cb6148cd8aa5dd6f8d63e348e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c808f1d1e4eb975e2befd2ba1b9560767bfd52fad6f37af69eb1d12f75ce538",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-03-07T20:31:17Z",
    "title_canon_sha256": "4c75da02fdd77dc9115de4b55627c8d419158321ed331e36d636c45a3197a394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1596",
    "kind": "arxiv",
    "version": 2
  }
}