Pith Number

pith:4MWB3EUF

pith:2018:4MWB3EUFKGFSIKGLMBLE3Q2TCC

not attested not anchored not stored refs pending

Diversity-Driven Extensible Hierarchical Reinforcement Learning

Jianyi Wang, Mai Xu, Thomas Lukasiewicz, Yuhang Song, Zhenghua Xu

arxiv:1811.04324 v2 · 2018-11-10 · 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{4MWB3EUFKGFSIKGLMBLE3Q2TCC}

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	2026-05-18T00:00:46.832089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e32c1d9285518b2428cb60564dc35310b36d51bc99faf3089ecf047ea38ca753

Aliases

arxiv: 1811.04324 · arxiv_version: 1811.04324v2 · doi: 10.48550/arxiv.1811.04324 · pith_short_12: 4MWB3EUFKGFS · pith_short_16: 4MWB3EUFKGFSIKGL · pith_short_8: 4MWB3EUF

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/4MWB3EUFKGFSIKGLMBLE3Q2TCC \
  | 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: e32c1d9285518b2428cb60564dc35310b36d51bc99faf3089ecf047ea38ca753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7478674c1ce3653f018b2d3064e803035fa26b61b77977cf745f867cdbbbe0ca",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-10T23:35:34Z",
    "title_canon_sha256": "61cf76c181532a9b9b4e68f59d3f489279bcec7de9891c87b6f4efc1075e10c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04324",
    "kind": "arxiv",
    "version": 2
  }
}