Pith Number

pith:GFYTTFOJ

pith:2020:GFYTTFOJW4IVIWZT7VNINNPN7A

not attested not anchored not stored refs pending

Riemannian Proximal Policy Optimization

Baocheng Zhu, Chen Li, James Zhang, Mingzhe Wu, Shijun Wang, Wei Chu, Yuan Qi

arxiv:2005.09195 v1 · 2020-05-19 · cs.LG · 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{GFYTTFOJW4IVIWZT7VNINNPN7A}

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	2026-07-05T01:03:47.849868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31713995c9b711545b33fd5a86b5edf8085ff64d0bec8b722faa04ab07963e53

Aliases

arxiv: 2005.09195 · arxiv_version: 2005.09195v1 · doi: 10.48550/arxiv.2005.09195 · pith_short_12: GFYTTFOJW4IV · pith_short_16: GFYTTFOJW4IVIWZT · pith_short_8: GFYTTFOJ

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/GFYTTFOJW4IVIWZT7VNINNPN7A \
  | 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: 31713995c9b711545b33fd5a86b5edf8085ff64d0bec8b722faa04ab07963e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5e5fb2f02871e4d296c0bd8e71d792b3840789ab49c9cf18072d13ba3e2e41",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-05-19T03:37:59Z",
    "title_canon_sha256": "a9e80e9fc397fddc2ba70e37aa1dd796afca3a7d3b1834c52a95158131ca00c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.09195",
    "kind": "arxiv",
    "version": 1
  }
}