Pith Number

pith:JSV5FVNR

pith:2020:JSV5FVNR6QVXO46NI5L2CI3HI5

not attested not anchored not stored refs pending

A Natural Actor-Critic Algorithm with Downside Risk Constraints

Rahul Savani, Thomas Spooner

arxiv:2007.04203 v1 · 2020-07-08 · cs.LG · cs.AI · q-fin.CP · q-fin.PM · 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{JSV5FVNR6QVXO46NI5L2CI3HI5}

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	2026-07-05T01:17:21.939993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cabd2d5b1f42b7773cd4757a1236747487d2db0bb7ade2669fe29895dcdad3b

Aliases

arxiv: 2007.04203 · arxiv_version: 2007.04203v1 · doi: 10.48550/arxiv.2007.04203 · pith_short_12: JSV5FVNR6QVX · pith_short_16: JSV5FVNR6QVXO46N · pith_short_8: JSV5FVNR

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/JSV5FVNR6QVXO46NI5L2CI3HI5 \
  | 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: 4cabd2d5b1f42b7773cd4757a1236747487d2db0bb7ade2669fe29895dcdad3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a290a188f5f1fc50b69d900f71a4bea75655e8be1e57fd4dd7ea89b8e7e929d5",
    "cross_cats_sorted": [
      "cs.AI",
      "q-fin.CP",
      "q-fin.PM",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-08T15:44:33Z",
    "title_canon_sha256": "9b68cbfbcf067e104c936d4ca86e7244372227f016d204a91900dd65d6c780da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04203",
    "kind": "arxiv",
    "version": 1
  }
}