Pith Number

pith:LD3QPJPG

pith:2025:LD3QPJPG2LUVVOY3F2ATUIJZV7

not attested not anchored not stored refs pending

Constrained Policy Optimization via Sampling-Based Weight-Space Projection

Eunhyek Joa, Francesco Borrelli, Shengfan Cao

arxiv:2512.13788 v2 · 2025-12-15 · cs.LG · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LD3QPJPG2LUVVOY3F2ATUIJZV7}

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	2026-05-20T00:04:18.759972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f707a5e6d2e95abb1b2e813a2139afc9308d495ab62f93efe314f1fd6701f9

Aliases

arxiv: 2512.13788 · arxiv_version: 2512.13788v2 · doi: 10.48550/arxiv.2512.13788 · pith_short_12: LD3QPJPG2LUV · pith_short_16: LD3QPJPG2LUVVOY3 · pith_short_8: LD3QPJPG

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/LD3QPJPG2LUVVOY3F2ATUIJZV7 \
  | 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: 58f707a5e6d2e95abb1b2e813a2139afc9308d495ab62f93efe314f1fd6701f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b1b7a3d7a561e6c678612d8d39bc5f7e7b8b74b49a37d3478092797afd71176",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-12-15T19:00:01Z",
    "title_canon_sha256": "b5f629818a4c5762c1d31f22d090a799300c907ed1af839410db4cc01680260f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.13788",
    "kind": "arxiv",
    "version": 2
  }
}