Pith Number

pith:O5CPUYIZ

pith:2020:O5CPUYIZBHKIDUNXBYJHAIIUPK

not attested not anchored not stored refs pending

Sample-based Distributional Policy Gradient

Keuntaek Lee, Rahul Singh, Yongxin Chen

arxiv:2001.02652 v1 · 2020-01-08 · 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{O5CPUYIZBHKIDUNXBYJHAIIUPK}

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	2026-07-05T00:32:19.813862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7744fa611909d481d1b70e127021147aa6ca2d963cc96cacc04e811e569d1ec3

Aliases

arxiv: 2001.02652 · arxiv_version: 2001.02652v1 · doi: 10.48550/arxiv.2001.02652 · pith_short_12: O5CPUYIZBHKI · pith_short_16: O5CPUYIZBHKIDUNX · pith_short_8: O5CPUYIZ

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/O5CPUYIZBHKIDUNXBYJHAIIUPK \
  | 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: 7744fa611909d481d1b70e127021147aa6ca2d963cc96cacc04e811e569d1ec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea915571328f982b4d67a10140e615b1473088dc17507ea3d9c09ca4992dd8a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-01-08T17:50:23Z",
    "title_canon_sha256": "055835c4dcfcf7f5f74bdfc33b6a12db38d1d501a47c85dda22ba2c523760cff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02652",
    "kind": "arxiv",
    "version": 1
  }
}