Pith Number

pith:Q2CQNNFF

pith:2019:Q2CQNNFFUIYZZNOI3NPKL5QCQX

not attested not anchored not stored refs pending

Entropic Risk Measure in Policy Search

Boris Belousov, David Nass, Jan Peters

arxiv:1906.09090 v2 · 2019-06-21 · cs.LG · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2CQNNFFUIYZZNOI3NPKL5QCQX}

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	2026-07-05T00:01:01.017118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868506b4a5a2319cb5c8db5ea5f60285d5c8dac590d6595ee011529423f9ea93

Aliases

arxiv: 1906.09090 · arxiv_version: 1906.09090v2 · doi: 10.48550/arxiv.1906.09090 · pith_short_12: Q2CQNNFFUIYZ · pith_short_16: Q2CQNNFFUIYZZNOI · pith_short_8: Q2CQNNFF

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/Q2CQNNFFUIYZZNOI3NPKL5QCQX \
  | 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: 868506b4a5a2319cb5c8db5ea5f60285d5c8dac590d6595ee011529423f9ea93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e42d9dbdf4d40b3a4ee6d9511d3a2aed8178d563850006485ca873b4807f40d9",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-21T12:38:05Z",
    "title_canon_sha256": "58e25f97db050c4ab68a949eef17607cc48080313bb8a8b30cf3a5f2d096220e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09090",
    "kind": "arxiv",
    "version": 2
  }
}