Pith Number

pith:T75O3J3Q

pith:2026:T75O3J3QWFQWLXVZDXM4APF6FI

not attested not anchored not stored refs pending

Data-Driven Critic-Free Policy Iteration for Continuous-Time Linear Quadratic Regulation

Hongye Su, Jiacheng Wu, Yang Zhu

arxiv:2607.08204 v1 · 2026-07-09 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T75O3J3QWFQWLXVZDXM4APF6FI}

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	2026-07-10T01:19:29.660728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ffaeda770b16165deb91dd9c03cbe2a0441bb44c45d8a57c383e38f235000ce

Aliases

arxiv: 2607.08204 · arxiv_version: 2607.08204v1 · doi: 10.48550/arxiv.2607.08204 · pith_short_12: T75O3J3QWFQW · pith_short_16: T75O3J3QWFQWLXVZ · pith_short_8: T75O3J3Q

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/T75O3J3QWFQWLXVZDXM4APF6FI \
  | 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: 9ffaeda770b16165deb91dd9c03cbe2a0441bb44c45d8a57c383e38f235000ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d9111bdd103aec6951662cf7edb19aafab42b1d853fbb7efdf3a90d5870b12c",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-07-09T08:02:53Z",
    "title_canon_sha256": "d244f8fd6242bea49dbfcaa74dffa7e6b95c66f843869decfa2b8ac0be185620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08204",
    "kind": "arxiv",
    "version": 1
  }
}