Pith Number

pith:C42JI7U3

pith:2020:C42JI7U3KAMJXPIUMJ5PXZEOAJ

not attested not anchored not stored refs pending

Interactive Recommender System via Knowledge Graph-enhanced Reinforcement Learning

Haokun Chen, Kan Ren, Ruiming Tang, Sijin Zhou, Weinan Zhang, Xinyi Dai, Xiuqiang He, Yong Yu

arxiv:2006.10389 v1 · 2020-06-18 · 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{C42JI7U3KAMJXPIUMJ5PXZEOAJ}

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	2026-07-05T01:11:17.996535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1734947e9b50189bbd14627afbe48e024d95c63455e071c2f92e43f1a3105a75

Aliases

arxiv: 2006.10389 · arxiv_version: 2006.10389v1 · doi: 10.48550/arxiv.2006.10389 · pith_short_12: C42JI7U3KAMJ · pith_short_16: C42JI7U3KAMJXPIU · pith_short_8: C42JI7U3

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/C42JI7U3KAMJXPIUMJ5PXZEOAJ \
  | 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: 1734947e9b50189bbd14627afbe48e024d95c63455e071c2f92e43f1a3105a75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a34f724271c0dec70100ad8d2b00d93dde9b7c18aa86928481b995e65a3090ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-06-18T09:48:48Z",
    "title_canon_sha256": "d814995251be05f175a2fe621c7a7068aca3b19822d78c07116b97805208b721"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.10389",
    "kind": "arxiv",
    "version": 1
  }
}