Pith Number

pith:SZ32MNWB

pith:2019:SZ32MNWBJL7UM4ACGDTZHPKLIX

not attested not anchored not stored refs pending

Deep Hierarchical Reinforcement Learning Based Recommendations via Multi-goals Abstraction

Bo Zhang, Dongyang Zhao, Liang Zhang, Lizhou Zheng, Weipeng Yan, Yongjun Bao

arxiv:1903.09374 v1 · 2019-03-22 · cs.LG · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZ32MNWBJL7UM4ACGDTZHPKLIX}

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	2026-05-17T23:50:39.809292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9677a636c14aff46700230e793bd4b45f26bb05e97222dbe70a82a2dc5c9004d

Aliases

arxiv: 1903.09374 · arxiv_version: 1903.09374v1 · doi: 10.48550/arxiv.1903.09374 · pith_short_12: SZ32MNWBJL7U · pith_short_16: SZ32MNWBJL7UM4AC · pith_short_8: SZ32MNWB

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/SZ32MNWBJL7UM4ACGDTZHPKLIX \
  | 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: 9677a636c14aff46700230e793bd4b45f26bb05e97222dbe70a82a2dc5c9004d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b1a5b991a78235c128712394b64def4dc803db534e51211c06ce251aad580c2",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-22T06:43:49Z",
    "title_canon_sha256": "f15f973d6961d8483f32c7a6efb600cbcfd518d6340b13cb0eea14089f6555a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09374",
    "kind": "arxiv",
    "version": 1
  }
}