Pith Number

pith:7B6VDV3H

pith:2021:7B6VDV3HQLATKFCPPJVVBELRKA

not attested not anchored not stored refs pending

Greedification Operators for Policy Optimization: Investigating Forward and Reverse KL Divergences

Alan Chan, A. Rupam Mahmood, Hugo Silva, Martha White, Sungsu Lim, Tadashi Kozuno

arxiv:2107.08285 v2 · 2021-07-17 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7B6VDV3HQLATKFCPPJVVBELRKA}

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	2026-07-05T04:15:27.707227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f87d51d76782c135144f7a6b509171502d0a7c53e9d6e7aeaf1df8b611759104

Aliases

arxiv: 2107.08285 · arxiv_version: 2107.08285v2 · doi: 10.48550/arxiv.2107.08285 · pith_short_12: 7B6VDV3HQLAT · pith_short_16: 7B6VDV3HQLATKFCP · pith_short_8: 7B6VDV3H

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/7B6VDV3HQLATKFCPPJVVBELRKA \
  | 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: f87d51d76782c135144f7a6b509171502d0a7c53e9d6e7aeaf1df8b611759104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af91a270a07fb62147e115700c38c7dee8374d4e0f69c2587c2f1bf8cc1fae4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-17T17:09:18Z",
    "title_canon_sha256": "2644e8166889a7de5470b7f6b8e8d2d63af38108753486813f0db1e6f5b7fc8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08285",
    "kind": "arxiv",
    "version": 2
  }
}