Pith Number

pith:QNB4Z2BX

pith:2018:QNB4Z2BXSIMSLJNWF4FS2FGGEW

not attested not anchored not stored refs pending

Sample-Efficient Reinforcement Learning with Stochastic Ensemble Value Expansion

Danijar Hafner, Eugene Brevdo, George Tucker, Honglak Lee, Jacob Buckman

arxiv:1807.01675 v2 · 2018-07-04 · cs.LG · cs.AI · stat.ML

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

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	2026-05-17T23:43:56.651644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8343cce837921925a5b62f0b2d14c625b339460847b7bab270af297023fdcdba

Aliases

arxiv: 1807.01675 · arxiv_version: 1807.01675v2 · doi: 10.48550/arxiv.1807.01675 · pith_short_12: QNB4Z2BXSIMS · pith_short_16: QNB4Z2BXSIMSLJNW · pith_short_8: QNB4Z2BX

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/QNB4Z2BXSIMSLJNWF4FS2FGGEW \
  | 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: 8343cce837921925a5b62f0b2d14c625b339460847b7bab270af297023fdcdba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92994a4014d4f1bde772092b854fd4d831b6d24585304557565155b6a9f08d51",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-04T16:51:56Z",
    "title_canon_sha256": "e8a976a38843986df153c8c3f44d1217720c7240dd3d3d7f815b6e31ebf5fad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01675",
    "kind": "arxiv",
    "version": 2
  }
}