Pith Number

pith:UKREFO7U

pith:2021:UKREFO7UWMNZGYG5GNW5R4KCCA

not attested not anchored not stored refs pending

Learning Stochastic Optimal Policies via Gradient Descent

Atsushi Yamashita, Hajime Asama, Jinkyoo Park, Michael Poli, Stefano Massaroli, Stefano Peluchetti

arxiv:2106.03780 v1 · 2021-06-07 · cs.LG · cs.AI · cs.SY · eess.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKREFO7UWMNZGYG5GNW5R4KCCA}

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	2026-07-05T02:46:55.348699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2a242bbf4b31b9360dd336dd8f142103e6606630b10c62faa86c4635b5775f5

Aliases

arxiv: 2106.03780 · arxiv_version: 2106.03780v1 · doi: 10.48550/arxiv.2106.03780 · pith_short_12: UKREFO7UWMNZ · pith_short_16: UKREFO7UWMNZGYG5 · pith_short_8: UKREFO7U

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/UKREFO7UWMNZGYG5GNW5R4KCCA \
  | 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: a2a242bbf4b31b9360dd336dd8f142103e6606630b10c62faa86c4635b5775f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50b839f364f6fc494904668f521b6b262c172643f823f8364be453e577b6b0cb",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SY",
      "eess.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-07T16:43:07Z",
    "title_canon_sha256": "c3825229799bbdeabe6ace9354393bc49f1b9dbfa3028fc9ca556827866eda57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.03780",
    "kind": "arxiv",
    "version": 1
  }
}