Pith Number

pith:U5RR5RAR

pith:2018:U5RR5RARDHRUJ7WOZO2JYFSDNA

not attested not anchored not stored refs pending

On the Approximation of Constrained Linear Quadratic Regulator Problems and their Application to Model Predictive Control - Supplementary Notes

Michael Muehlebach, Raffaello D'Andrea

arxiv:1803.05510 v1 · 2018-02-23 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5RR5RARDHRUJ7WOZO2JYFSDNA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:20:55.239450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7631ec41119e344fececbb49c1643682e727ca3f621fd88dfdefc7d9b61f723

Aliases

arxiv: 1803.05510 · arxiv_version: 1803.05510v1 · doi: 10.48550/arxiv.1803.05510 · pith_short_12: U5RR5RARDHRU · pith_short_16: U5RR5RARDHRUJ7WO · pith_short_8: U5RR5RAR

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/U5RR5RARDHRUJ7WOZO2JYFSDNA \
  | 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: a7631ec41119e344fececbb49c1643682e727ca3f621fd88dfdefc7d9b61f723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9320d4433f9c7bdf5ca8015f0bbf9a688803178fcdbbee78d0764622fc10090e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-02-23T14:39:33Z",
    "title_canon_sha256": "93dc47bbf2b15127c943fee53eea635e1b7578d5f151a7990871e734da8fb599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05510",
    "kind": "arxiv",
    "version": 1
  }
}