Pith Number

pith:R35AGOQW

pith:2019:R35AGOQWXCCPPENZ6Q3ROK7XMR

not attested not anchored not stored refs pending

The regular indefinite linear quadratic optimal control problem: stabilizable case

Angela P. Schoellig, Marijan Vukosavljev, Mireille E. Broucke

arxiv:1905.00509 v1 · 2019-05-01 · 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{R35AGOQWXCCPPENZ6Q3ROK7XMR}

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	2026-05-17T23:47:11.683460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8efa033a16b884f791b9f437172bf76472b67a3a8e61fbd68c4c90ea26eae03a

Aliases

arxiv: 1905.00509 · arxiv_version: 1905.00509v1 · doi: 10.48550/arxiv.1905.00509 · pith_short_12: R35AGOQWXCCP · pith_short_16: R35AGOQWXCCPPENZ · pith_short_8: R35AGOQW

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/R35AGOQWXCCPPENZ6Q3ROK7XMR \
  | 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: 8efa033a16b884f791b9f437172bf76472b67a3a8e61fbd68c4c90ea26eae03a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20e2888369b86c42603405b58441af8c4c8ff2b63477a96a545b69d32e92e08e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-01T21:34:10Z",
    "title_canon_sha256": "9754170bb749a7e84c8bc3b74054680c7544f47f95b8b001c912346a3945e902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00509",
    "kind": "arxiv",
    "version": 1
  }
}