Pith Number

pith:WJTJZIWA

pith:2019:WJTJZIWA2OJ3BCVGZGW7X6UZPW

not attested not anchored not stored refs pending

Diversity-Promoting Deep Reinforcement Learning for Interactive Recommendation

Binqiang Zhao, Chunyan Miao, Lizhen Cui, Lu Guan, Qiong Wu, Yinan Zhang, Yin Zhao, Yong Liu

arxiv:1903.07826 v1 · 2019-03-19 · cs.IR · cs.AI

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

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	2026-05-17T23:50:53.782277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2669ca2c0d393b08aa6c9adfbfa997da97ec46f6bdf04b4161d7cb74effb25d

Aliases

arxiv: 1903.07826 · arxiv_version: 1903.07826v1 · doi: 10.48550/arxiv.1903.07826 · pith_short_12: WJTJZIWA2OJ3 · pith_short_16: WJTJZIWA2OJ3BCVG · pith_short_8: WJTJZIWA

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/WJTJZIWA2OJ3BCVGZGW7X6UZPW \
  | 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: b2669ca2c0d393b08aa6c9adfbfa997da97ec46f6bdf04b4161d7cb74effb25d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d20a140bea9478927240ed8426978725cdeb49c57e42541c588069b1b1066c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-03-19T04:38:05Z",
    "title_canon_sha256": "9eabe592a3a3ce676ac69128b47e5a7b97d697fa3a4bcb302490958e3a1afa0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07826",
    "kind": "arxiv",
    "version": 1
  }
}