Pith Number

pith:EO6YNBPX

pith:2018:EO6YNBPXWOUVGJUTCPHTTMTWC7

not attested not anchored not stored refs pending

Policy Gradients for Contextual Recommendations

Feiyang Pan, Fuzhen Zhuang, Pingzhong Tang, Qing He, Qingpeng Cai

arxiv:1802.04162 v3 · 2018-02-12 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EO6YNBPXWOUVGJUTCPHTTMTWC7}

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	2026-05-17T23:52:09.492338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23bd8685f7b3a953269313cf39b27617efa4c3303a6b00946d3933643d24e8f9

Aliases

arxiv: 1802.04162 · arxiv_version: 1802.04162v3 · doi: 10.48550/arxiv.1802.04162 · pith_short_12: EO6YNBPXWOUV · pith_short_16: EO6YNBPXWOUVGJUT · pith_short_8: EO6YNBPX

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/EO6YNBPXWOUVGJUTCPHTTMTWC7 \
  | 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: 23bd8685f7b3a953269313cf39b27617efa4c3303a6b00946d3933643d24e8f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15030a18b6c64405c36af46724491267613a6507b20e5c9ea4163a4f18836800",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-12T16:13:29Z",
    "title_canon_sha256": "23f5abf9607e73e8b51a7f626140c41307086ef0fa523e0fdb4088236c3f932d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04162",
    "kind": "arxiv",
    "version": 3
  }
}