Pith Number

pith:BVB742CH

pith:2019:BVB742CH3URWQSX2JAW5B5WDAK

not attested not anchored not stored refs pending

Certainty Equivalence is Efficient for Linear Quadratic Control

Benjamin Recht, Horia Mania, Stephen Tu

arxiv:1902.07826 v2 · 2019-02-21 · math.OC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVB742CH3URWQSX2JAW5B5WDAK}

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	2026-05-17T23:42:42.280344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d43fe6847dd23684afa482dd0f6c302b0addb0ede108e6812ebb93f07c64a9b

Aliases

arxiv: 1902.07826 · arxiv_version: 1902.07826v2 · doi: 10.48550/arxiv.1902.07826 · pith_short_12: BVB742CH3URW · pith_short_16: BVB742CH3URWQSX2 · pith_short_8: BVB742CH

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/BVB742CH3URWQSX2JAW5B5WDAK \
  | 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: 0d43fe6847dd23684afa482dd0f6c302b0addb0ede108e6812ebb93f07c64a9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c83a28264e031b2f75a551565d30f454d2fb078597fa129fa7f5f09088cd187",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-21T01:07:32Z",
    "title_canon_sha256": "3a8e0863aa54c8237865ab206a3009f0c4200962169c4486d62fd46d89b76bdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07826",
    "kind": "arxiv",
    "version": 2
  }
}