Pith Number

pith:WUD56ZCH

pith:2021:WUD56ZCHKECMEKZTAGAMTDM4JD

not attested not anchored not stored refs pending

Unifying Gradient Estimators for Meta-Reinforcement Learning via Off-Policy Evaluation

Mark Rowland, Michal Valko, R\'emi Munos, Tadashi Kozuno, Yunhao Tang

arxiv:2106.13125 v2 · 2021-06-24 · 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{WUD56ZCHKECMEKZTAGAMTDM4JD}

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	2026-07-05T03:28:38.328810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b507df64475104c22b330180c98d9c48dd54b69bfa0dc9ffb09f9601a2648612

Aliases

arxiv: 2106.13125 · arxiv_version: 2106.13125v2 · doi: 10.48550/arxiv.2106.13125 · pith_short_12: WUD56ZCHKECM · pith_short_16: WUD56ZCHKECMEKZT · pith_short_8: WUD56ZCH

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/WUD56ZCHKECMEKZTAGAMTDM4JD \
  | 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: b507df64475104c22b330180c98d9c48dd54b69bfa0dc9ffb09f9601a2648612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef30eb299a995cea76b3fad4b34ac234bc5e39c6e31588b819e4b0ce9530a5dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-24T15:58:01Z",
    "title_canon_sha256": "f1497946c3941e6c1b167910948def9c3788e3c19c6d2d608bcd5ddd2e473d02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13125",
    "kind": "arxiv",
    "version": 2
  }
}