Pith Number

pith:PSYHHRSU

pith:2026:PSYHHRSUXPT2EDMBFHHCDHUQLC

not attested not anchored not stored refs pending

Ratio-Variance Regularized Policy Optimization

Dong Li, Fuchun Sun, Huaping Liu, Jianye Hao, Lei Lv, Shuo Han, Yihan Hu, Yu Luo

arxiv:2605.26784 v1 · 2026-05-26 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSYHHRSUXPT2EDMBFHHCDHUQLC}

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	2026-05-27T01:06:12.532841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb073c654bbe7a20d8129ce219e905894f5d1a267d6d596c820d95cb3303d56

Aliases

arxiv: 2605.26784 · arxiv_version: 2605.26784v1 · doi: 10.48550/arxiv.2605.26784 · pith_short_12: PSYHHRSUXPT2 · pith_short_16: PSYHHRSUXPT2EDMB · pith_short_8: PSYHHRSU

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/PSYHHRSUXPT2EDMBFHHCDHUQLC \
  | 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: 7cb073c654bbe7a20d8129ce219e905894f5d1a267d6d596c820d95cb3303d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb09ae68a96a5700b8ec7cfd1ebc3c04406bb50afe9e4cbe827fc8b78a5de89",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-26T09:53:42Z",
    "title_canon_sha256": "04934deeb4ad9ca71966ea4dd7fc84a2a264bb2ee2e667f2a039fd8601c10999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26784",
    "kind": "arxiv",
    "version": 1
  }
}