Pith Number

pith:HPUR5IGC

pith:2021:HPUR5IGCDAP5BRGTJP4NIELTVV

not attested not anchored not stored refs pending

The $f$-Divergence Reinforcement Learning Framework

Chen Gong, Guoliang Fan, Qiang He, Xianjie Zhang, Xiaoyu Chen, Xinwen Hou, Yu Liu, Yunpeng Bai, Zhou Yang

arxiv:2109.11867 v2 · 2021-09-24 · 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{HPUR5IGCDAP5BRGTJP4NIELTVV}

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.

Cited by

1 paper in Pith

Diversity By Design: Leveraging Distribution Matching for Offline Model-Based Optimization

Receipt and verification

First computed	2026-07-05T03:40:47.509328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3be91ea0c2181fd0c4d34bf8d41173ad5d66aa7a47b0d71cc6faaf09fdd7209e

Aliases

arxiv: 2109.11867 · arxiv_version: 2109.11867v2 · doi: 10.48550/arxiv.2109.11867 · pith_short_12: HPUR5IGCDAP5 · pith_short_16: HPUR5IGCDAP5BRGT · pith_short_8: HPUR5IGC

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/HPUR5IGCDAP5BRGTJP4NIELTVV \
  | 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: 3be91ea0c2181fd0c4d34bf8d41173ad5d66aa7a47b0d71cc6faaf09fdd7209e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf9eca90f32ac1654b6e519f80e98604e4d81004063d2e149776eb152dbe3b9b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-24T10:20:46Z",
    "title_canon_sha256": "8ecf9aaa8a022184763eb9311c1b9094c280bdf4d69a8196712f4ad86f390616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11867",
    "kind": "arxiv",
    "version": 2
  }
}