Pith Number

pith:7F7Y7U2S

pith:2018:7F7Y7U2SXTSHGXBUFLCBLZQC4S

not attested not anchored not stored refs pending

Large-scale Interactive Recommendation with Tree-structured Policy Gradient

Han Cai, Haokun Chen, Ruiming Tang, Weinan Zhang, Xinyi Dai, Xuejian Wang, Yong Yu, Yuzhou Zhang

arxiv:1811.05869 v1 · 2018-11-14 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7F7Y7U2SXTSHGXBUFLCBLZQC4S}

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	2026-05-18T00:00:41.929563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f97f8fd352bce4735c342ac415e602e4ad983eb4e8983eac811fc35d98c72bed

Aliases

arxiv: 1811.05869 · arxiv_version: 1811.05869v1 · doi: 10.48550/arxiv.1811.05869 · pith_short_12: 7F7Y7U2SXTSH · pith_short_16: 7F7Y7U2SXTSHGXBU · pith_short_8: 7F7Y7U2S

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/7F7Y7U2SXTSHGXBUFLCBLZQC4S \
  | 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: f97f8fd352bce4735c342ac415e602e4ad983eb4e8983eac811fc35d98c72bed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa10389b936d1d73d7c579cf04254d14ad6f4734dadd187618f03e9acdea197d",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-14T15:53:25Z",
    "title_canon_sha256": "bf6a22aea2d47090f4dfc113c7219fd982487fbd2985b1e2291cfb5850937e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05869",
    "kind": "arxiv",
    "version": 1
  }
}