Pith Number

pith:CBL3UAWE

pith:2018:CBL3UAWEXPLLMBTANS2H2V4AWU

not attested not anchored not stored refs pending

Derivative-Free Methods for Policy Optimization: Guarantees for Linear Quadratic Systems

Ashwin Pananjady, Dhruv Malik, Koulik Khamaru, Kush Bhatia, Martin J. Wainwright, Peter L. Bartlett

arxiv:1812.08305 v3 · 2018-12-20 · cs.LG · math.OC · 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{CBL3UAWEXPLLMBTANS2H2V4AWU}

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	2026-07-05T01:03:18.503995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1057ba02c4bbd6b606606cb47d5780b50e1afd259459aa6a6becb560c7bb376a

Aliases

arxiv: 1812.08305 · arxiv_version: 1812.08305v3 · doi: 10.48550/arxiv.1812.08305 · pith_short_12: CBL3UAWEXPLL · pith_short_16: CBL3UAWEXPLLMBTA · pith_short_8: CBL3UAWE

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/CBL3UAWEXPLLMBTANS2H2V4AWU \
  | 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: 1057ba02c4bbd6b606606cb47d5780b50e1afd259459aa6a6becb560c7bb376a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c52da2a5db406ad94c1b48ca2cb2387e6d023a531a4541e3d67d6d6567eaa490",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-20T01:22:44Z",
    "title_canon_sha256": "48278a9e5f02606752ea2b2a15e52a032be8e2972fb5bfa4461b7bed6c9e9ac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08305",
    "kind": "arxiv",
    "version": 3
  }
}