Pith Number

pith:CK5JEDPD

pith:2022:CK5JEDPDBF4W2FSHCLVMXZYHLN

not attested not anchored not stored refs pending

Multi-Task Fusion via Reinforcement Learning for Long-Term User Satisfaction in Recommender Systems

Fan Huang, Junning Liu, Kunlun Zheng, Qihua Zhang, Xianfeng Tan, Yifan Yuan, Yiyan Qi, Yuzhuo Dai

arxiv:2208.04560 v2 · 2022-08-09 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CK5JEDPDBF4W2FSHCLVMXZYHLN}

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	2026-07-05T04:47:29.861627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12ba920de309796d164712eacbe7075b74cfa805f7510266d7ea7d2532a78998

Aliases

arxiv: 2208.04560 · arxiv_version: 2208.04560v2 · doi: 10.48550/arxiv.2208.04560 · pith_short_12: CK5JEDPDBF4W · pith_short_16: CK5JEDPDBF4W2FSH · pith_short_8: CK5JEDPD

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/CK5JEDPDBF4W2FSHCLVMXZYHLN \
  | 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: 12ba920de309796d164712eacbe7075b74cfa805f7510266d7ea7d2532a78998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a93727d9f067b3a475b248469ec68ebba7da1f5a9e793b42767e19f246efa8",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-08-09T06:35:05Z",
    "title_canon_sha256": "5f7a3f9e0f7f5ba104b42771c6b2e29243f834f97ae6353391f97fd3ef465f8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04560",
    "kind": "arxiv",
    "version": 2
  }
}