Pith Number

pith:YEHKINFO

pith:2019:YEHKINFORGJEFB6QVMFYC2Q3EH

not attested not anchored not stored refs pending

Pseudo-Implicit Feedback for Alleviating Data Sparsity in Top-K Recommendation

Haochen Chen, James Caverlee, Yun He, Ziwei Zhu

arxiv:1901.00597 v1 · 2019-01-03 · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YEHKINFORGJEFB6QVMFYC2Q3EH}

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	2026-05-17T23:56:57.884083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c10ea434ae89924287d0ab0b816a1b21e559d30daef92903186d45a3828ce496

Aliases

arxiv: 1901.00597 · arxiv_version: 1901.00597v1 · doi: 10.48550/arxiv.1901.00597 · pith_short_12: YEHKINFORGJE · pith_short_16: YEHKINFORGJEFB6Q · pith_short_8: YEHKINFO

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/YEHKINFORGJEFB6QVMFYC2Q3EH \
  | 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: c10ea434ae89924287d0ab0b816a1b21e559d30daef92903186d45a3828ce496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c704175c119848bb11b04e621fea95e2cc7c55efec1748b528e53cb5f75aa19c",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-01-03T03:28:40Z",
    "title_canon_sha256": "ee93fd0c27e85e34e8e0bb7e8a39dc3909d01ee4bb35eddc32c24c0189e3edf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00597",
    "kind": "arxiv",
    "version": 1
  }
}