Pith Number

pith:KTTV7XEG

pith:2021:KTTV7XEGL3DUPJZZ5LQT2PFG5B

not attested not anchored not stored refs pending

Learning PSD-valued functions using kernel sums-of-squares

Alessandro Rudi, Boris Muzellec, Francis Bach

arxiv:2111.11306 v2 · 2021-11-22 · 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{KTTV7XEGL3DUPJZZ5LQT2PFG5B}

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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.

Cited by

1 paper in Pith

Kernel-based identification of nonlinear port-Hamiltonian systems

Receipt and verification

First computed	2026-07-05T03:50:52.748588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54e75fdc865ec747a739eae13d3ca6e866e5c45b3d909ff74ca95ef4307af78a

Aliases

arxiv: 2111.11306 · arxiv_version: 2111.11306v2 · doi: 10.48550/arxiv.2111.11306 · pith_short_12: KTTV7XEGL3DU · pith_short_16: KTTV7XEGL3DUPJZZ · pith_short_8: KTTV7XEG

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/KTTV7XEGL3DUPJZZ5LQT2PFG5B \
  | 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: 54e75fdc865ec747a739eae13d3ca6e866e5c45b3d909ff74ca95ef4307af78a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80b90e4b8d0e0ebf596345b11c830897970856d40bb717e59512d766253e190",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-11-22T16:07:50Z",
    "title_canon_sha256": "366aef2a387296861d6ff65851c31e669b21856761f9ab230155c6fbc3c6d5ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11306",
    "kind": "arxiv",
    "version": 2
  }
}