Pith Number

pith:JFR6IEPE

pith:2022:JFR6IEPEDTQVGOYWFD6AO2LRSL

not attested not anchored not stored refs pending

KuaiRec: A Fully-observed Dataset and Insights for Evaluating Recommender Systems

Biao Li, Chongming Gao, Jiawei Chen, Jiaxin Mao, Peng Jiang, Shijun Li, Tat-Seng Chua, Wenqiang Lei, Xiangnan He

arxiv:2202.10842 v3 · 2022-02-22 · cs.IR · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFR6IEPEDTQVGOYWFD6AO2LRSL}

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	2026-07-05T04:49:31.100689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4963e411e41ce1533b1628fc07697192db7ca3edfbb9c4c28d6ae4da9d65ca78

Aliases

arxiv: 2202.10842 · arxiv_version: 2202.10842v3 · doi: 10.48550/arxiv.2202.10842 · pith_short_12: JFR6IEPEDTQV · pith_short_16: JFR6IEPEDTQVGOYW · pith_short_8: JFR6IEPE

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/JFR6IEPEDTQVGOYWFD6AO2LRSL \
  | 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: 4963e411e41ce1533b1628fc07697192db7ca3edfbb9c4c28d6ae4da9d65ca78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e921c39a0b1c7d88700cce5d023e05ccce9a37357e2473db5988a88a4ab3305",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-02-22T12:08:14Z",
    "title_canon_sha256": "334b858c0c4832da781d91bad39ba148126d435a0f39591c6a2e8a6417f4bb1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10842",
    "kind": "arxiv",
    "version": 3
  }
}