Pith Number

pith:GOIUAMYJ

pith:2021:GOIUAMYJIFPHU6HFWNVTOE2ROL

not attested not anchored not stored refs pending

On the Certainty-Equivalence Approach to Direct Data-Driven LQR Design

Claudio De Persis, Florian D\"orfler, Pietro Tesi

arxiv:2109.06643 v1 · 2021-09-14 · 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{GOIUAMYJIFPHU6HFWNVTOE2ROL}

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	2026-07-05T03:14:28.898270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3391403309415e7a78e5b36b37135172c1a1e37d85c78abcb8e9ed37bd1271a7

Aliases

arxiv: 2109.06643 · arxiv_version: 2109.06643v1 · doi: 10.48550/arxiv.2109.06643 · pith_short_12: GOIUAMYJIFPH · pith_short_16: GOIUAMYJIFPHU6HF · pith_short_8: GOIUAMYJ

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/GOIUAMYJIFPHU6HFWNVTOE2ROL \
  | 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: 3391403309415e7a78e5b36b37135172c1a1e37d85c78abcb8e9ed37bd1271a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9def425ed6449d1b66fd0b9629028ea950b03414055b7d210a77a9ef867b6e20",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-09-14T12:47:50Z",
    "title_canon_sha256": "19089fa0994ffe6f2d67fcca66efc0be2905466f9b3bdda1b47ee1199abad9cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06643",
    "kind": "arxiv",
    "version": 1
  }
}