Pith Number

pith:VQ5R7CU5

pith:2021:VQ5R7CU5VJNUTAHKGGECEBEABF

not attested not anchored not stored refs pending

Learning Synthetic Environments for Reinforcement Learning with Evolution Strategies

Fabio Ferreira, Frank Hutter, Thomas Nierhoff

arxiv:2101.09721 v3 · 2021-01-24 · cs.LG · cs.AI · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQ5R7CU5VJNUTAHKGGECEBEABF}

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	2026-07-05T02:13:22.047290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac3b1f8a9daa5b4980ea31882204800973c92db390232d92dd26666f1a8525ae

Aliases

arxiv: 2101.09721 · arxiv_version: 2101.09721v3 · doi: 10.48550/arxiv.2101.09721 · pith_short_12: VQ5R7CU5VJNU · pith_short_16: VQ5R7CU5VJNUTAHK · pith_short_8: VQ5R7CU5

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/VQ5R7CU5VJNUTAHKGGECEBEABF \
  | 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: ac3b1f8a9daa5b4980ea31882204800973c92db390232d92dd26666f1a8525ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8886a3bdef05449d972dbb27336e05750bf1d1199f9a6b4d7ce24053702de5c9",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-24T14:16:13Z",
    "title_canon_sha256": "3841d6e7c6f34bf9d7410cf069c1ad774623306ec43f7892341f1d52a3fdac0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09721",
    "kind": "arxiv",
    "version": 3
  }
}