Pith Number

pith:Q4IKQFD4

pith:2026:Q4IKQFD4KJJVUN6VIW3U4HSVN5

not attested not anchored not stored refs pending

Diagnosing and Mitigating Retrieval Bottlenecks in LLM-Based Cold-Start Recommendation

(2) Stanford University, (3) Independent Researcher), Fang Qin (2), Manish Shah (3), Yicheng Wang (3) ((1) University of Maine at Presque Isle, Zhe Dong (1)

arxiv:2606.29947 v1 · 2026-06-29 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4IKQFD4KJJVUN6VIW3U4HSVN5}

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	2026-06-30T02:17:42.202177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8710a8147c52535a37d545b74e1e556f5e294f8ac43a281caec2cee4f0feea44

Aliases

arxiv: 2606.29947 · arxiv_version: 2606.29947v1 · doi: 10.48550/arxiv.2606.29947 · pith_short_12: Q4IKQFD4KJJV · pith_short_16: Q4IKQFD4KJJVUN6V · pith_short_8: Q4IKQFD4

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/Q4IKQFD4KJJVUN6VIW3U4HSVN5 \
  | 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: 8710a8147c52535a37d545b74e1e556f5e294f8ac43a281caec2cee4f0feea44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7549d15b85fa28033b26a67aa9d67322fc4697908182f217f321f88f99b5c795",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-29T08:23:40Z",
    "title_canon_sha256": "a6e8bd3b55fe69a5d3b02c62fa227100ff68fccc8d1fd038a1495fb02c052b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29947",
    "kind": "arxiv",
    "version": 1
  }
}