Pith Number

pith:TUADVHD7

pith:2020:TUADVHD7DY3ZT5JD2CTHHLCIJE

not attested not anchored not stored refs pending

Online Meta-Critic Learning for Off-Policy Actor-Critic Methods

Huaimin Wang, Timothy M. Hospedales, Wei Zhou, Yiying Li, Yongxin Yang

arxiv:2003.05334 v2 · 2020-03-11 · 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{TUADVHD7DY3ZT5JD2CTHHLCIJE}

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	2026-07-05T01:48:08.239003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d003a9c7f1e3799f523d0a673ac48491a2917fb4c83093f543562622fc72f3e

Aliases

arxiv: 2003.05334 · arxiv_version: 2003.05334v2 · doi: 10.48550/arxiv.2003.05334 · pith_short_12: TUADVHD7DY3Z · pith_short_16: TUADVHD7DY3ZT5JD · pith_short_8: TUADVHD7

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/TUADVHD7DY3ZT5JD2CTHHLCIJE \
  | 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: 9d003a9c7f1e3799f523d0a673ac48491a2917fb4c83093f543562622fc72f3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64eb5dee507f24a51f6fbf346884cd9538bd59880846f471932d91a2f8a0af6b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-03-11T14:39:49Z",
    "title_canon_sha256": "f3ae7f789744bfcde6ee6d4f823d09f8363cf980a1d5f918ee3901e49ccecd6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.05334",
    "kind": "arxiv",
    "version": 2
  }
}