Pith Number

pith:D2VN3U64

pith:2020:D2VN3U64HKMZRCI5FLZNUBFI2K

not attested not anchored not stored refs pending

Structured Policy Iteration for Linear Quadratic Regulator

Gang Wu, Handong Zhao, Ryan A. Rossi, Youngsuk Park, Zheng Wen

arxiv:2007.06202 v1 · 2020-07-13 · cs.AI · 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{D2VN3U64HKMZRCI5FLZNUBFI2K}

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	2026-07-05T01:18:11.004985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eaaddd3dc3a9998891d2af2da04a8d2a65c4d5b68b7ad3a053e29d1719c3605

Aliases

arxiv: 2007.06202 · arxiv_version: 2007.06202v1 · doi: 10.48550/arxiv.2007.06202 · pith_short_12: D2VN3U64HKMZ · pith_short_16: D2VN3U64HKMZRCI5 · pith_short_8: D2VN3U64

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/D2VN3U64HKMZRCI5FLZNUBFI2K \
  | 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: 1eaaddd3dc3a9998891d2af2da04a8d2a65c4d5b68b7ad3a053e29d1719c3605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c155fdb559479b8be12ad463938a9bec07a22b9995ddbb5774660f9aa66c0d",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-07-13T06:03:15Z",
    "title_canon_sha256": "92f300ea9682487535c54d00025fa3c55129e1fbcd0fc8cdf6d2f9946a1b02bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06202",
    "kind": "arxiv",
    "version": 1
  }
}