Pith Number

pith:JZHULHAI

pith:2021:JZHULHAIDUX3XA2MUHY7MAYSMM

not attested not anchored not stored refs pending

Bad-Policy Density: A Measure of Reinforcement Learning Hardness

Cameron Allen, David Abel, D. Ellis Hershkowitz, Dilip Arumugam, Lawson L.S. Wong, Michael L. Littman

arxiv:2110.03424 v1 · 2021-10-07 · 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{JZHULHAIDUX3XA2MUHY7MAYSMM}

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	2026-07-05T03:20:42.560259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e4f459c081d2fbb834ca1f1f60312632bc4f211489377b7e87ef5fb92eefa47

Aliases

arxiv: 2110.03424 · arxiv_version: 2110.03424v1 · doi: 10.48550/arxiv.2110.03424 · pith_short_12: JZHULHAIDUX3 · pith_short_16: JZHULHAIDUX3XA2M · pith_short_8: JZHULHAI

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/JZHULHAIDUX3XA2MUHY7MAYSMM \
  | 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: 4e4f459c081d2fbb834ca1f1f60312632bc4f211489377b7e87ef5fb92eefa47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65d1b5fd82dc60734c2674f2364830a8d5ed1f8956c1e54ecb1b9db617372d0f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-07T13:09:16Z",
    "title_canon_sha256": "7c76e8db3d8fecd77df55053834a9f021cdb3f37567cfb6bd46a0d30ec9b6227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.03424",
    "kind": "arxiv",
    "version": 1
  }
}