Pith Number

pith:JBJ6VAYE

pith:2019:JBJ6VAYENZXVOP67PSVITTTDGE

not attested not anchored not stored refs pending

Output Feedback Control for Irregular LQ Problem

Huanshui Zhang, Juanjuan Xu

arxiv:1905.06605 v1 · 2019-05-16 · 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{JBJ6VAYENZXVOP67PSVITTTDGE}

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	2026-05-17T23:46:01.716357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4853ea83046e6f573fdf7caa89ce633108efb1894af5780c265020b48aa07096

Aliases

arxiv: 1905.06605 · arxiv_version: 1905.06605v1 · doi: 10.48550/arxiv.1905.06605 · pith_short_12: JBJ6VAYENZXV · pith_short_16: JBJ6VAYENZXVOP67 · pith_short_8: JBJ6VAYE

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/JBJ6VAYENZXVOP67PSVITTTDGE \
  | 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: 4853ea83046e6f573fdf7caa89ce633108efb1894af5780c265020b48aa07096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a059aa9502a8ecd8ff6856f8aa38f372af9b3478854bb38fe2cb7f37d9c0bb86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-16T08:58:49Z",
    "title_canon_sha256": "b2a8fd8d2efac4290be80ef6c532ec1a0906dc60f24620ced102388845f7cf39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06605",
    "kind": "arxiv",
    "version": 1
  }
}