Pith Number

pith:PG73P64T

pith:2025:PG73P64TTLTCPQ7NUIUA6INOEB

not attested not anchored not stored refs pending

Exploring the Potential of LLMs for Serendipity Evaluation in Recommender Systems

Li Chen, Li Kang, Yuhan Zhao

arxiv:2507.17290 v1 · 2025-07-23 · 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{PG73P64TTLTCPQ7NUIUA6INOEB}

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.

Cited by

1 paper in Pith

Diagnosing LLM-based Rerankers in Cold-Start Recommender Systems: Coverage, Exposure and Practical Mitigations

Receipt and verification

First computed	2026-07-05T11:42:05.325978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79bfb7fb939ae627c3eda2280f21ae206d6ec020e9c62fd87d3cbffdc53b5396

Aliases

arxiv: 2507.17290 · arxiv_version: 2507.17290v1 · doi: 10.48550/arxiv.2507.17290 · pith_short_12: PG73P64TTLTC · pith_short_16: PG73P64TTLTCPQ7N · pith_short_8: PG73P64T

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/PG73P64TTLTCPQ7NUIUA6INOEB \
  | 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: 79bfb7fb939ae627c3eda2280f21ae206d6ec020e9c62fd87d3cbffdc53b5396

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f801810fe09113a334b50a7d6a1234ebb9565d897b9ca6f43da10f0f3236c72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-23T07:51:56Z",
    "title_canon_sha256": "36834e4916641511edb22d73dd533dfbe0bcf1b73fe5093fd16ff4bcc052697d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17290",
    "kind": "arxiv",
    "version": 1
  }
}