Pith Number

pith:HDB4UVAS

pith:2026:HDB4UVASSPTGVX7BQUDEFZII64

not attested not anchored not stored refs pending

Adaptive Linear Quadratic Control of Unknown Linear Time-Varying Systems via Policy Gradient Methods

Feiran Zhao, Florian D\"orfler

arxiv:2607.03251 v1 · 2026-07-03 · math.OC · cs.SY · eess.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{HDB4UVASSPTGVX7BQUDEFZII64}

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	2026-07-07T01:16:47.893238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38c3ca541293e66adfe1850642e508f704125eac1a64f8e0207c68abc89c0fa0

Aliases

arxiv: 2607.03251 · arxiv_version: 2607.03251v1 · doi: 10.48550/arxiv.2607.03251 · pith_short_12: HDB4UVASSPTG · pith_short_16: HDB4UVASSPTGVX7B · pith_short_8: HDB4UVAS

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/HDB4UVASSPTGVX7BQUDEFZII64 \
  | 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: 38c3ca541293e66adfe1850642e508f704125eac1a64f8e0207c68abc89c0fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce2187a8076cf14ae95d8adf0c57e0327d3a2978ede37f016f41c46622b39e0d",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-07-03T12:11:31Z",
    "title_canon_sha256": "5e7db407889c0d5006fc80df1a0f23dabac5452141d815516ce0bf4e0c1995bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03251",
    "kind": "arxiv",
    "version": 1
  }
}