Pith Number

pith:FRVWPA6M

pith:2025:FRVWPA6MP7FQENNIESFXWDPMU6

not attested not anchored not stored refs pending

Regularization for Covariance Parameterization of Direct Data-Driven LQR Control

Alessandro Chiuso, Feiran Zhao, Florian D\"orfler

arxiv:2503.02985 v1 · 2025-03-04 · eess.SY · cs.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRVWPA6MP7FQENNIESFXWDPMU6}

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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

Policy Gradient Adaptive Control for the LQR: Indirect and Direct Approaches

Receipt and verification

First computed	2026-07-05T10:24:36.339066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6b6783cc7fcb0235a8248b7b0deca7befb087fe49a565fa3c3c77a1df2a50f

Aliases

arxiv: 2503.02985 · arxiv_version: 2503.02985v1 · doi: 10.48550/arxiv.2503.02985 · pith_short_12: FRVWPA6MP7FQ · pith_short_16: FRVWPA6MP7FQENNI · pith_short_8: FRVWPA6M

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/FRVWPA6MP7FQENNIESFXWDPMU6 \
  | 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: 2c6b6783cc7fcb0235a8248b7b0deca7befb087fe49a565fa3c3c77a1df2a50f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cbaf5b9eee1b14f33649a561870fe500826830dbbfb04da14f0645fb5b4eca5",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-03-04T20:22:57Z",
    "title_canon_sha256": "c65c5343cdc99a15e3697ad17376bfa6b082c929202e2f8888d227a4cc6a1a51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.02985",
    "kind": "arxiv",
    "version": 1
  }
}