Pith Number

pith:OFXXJHS3

pith:2025:OFXXJHS3HFLRGKTSFAQCESWL5J

not attested not anchored not stored refs pending

Do LLMs Memorize Recommendation Datasets? A Preliminary Study on MovieLens-1M

Dario Di Palma, Fedelucio Narducci, Felice Antonio Merra, Maurizio Sfilio, Tommaso Di Noia, Vito Walter Anelli

arxiv:2505.10212 v1 · 2025-05-15 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFXXJHS3HFLRGKTSFAQCESWL5J}

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	2026-07-05T11:03:35.264478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

716f749e5b3957132a722820224acbea416e5f45e766740ad817a675a0d3b8ce

Aliases

arxiv: 2505.10212 · arxiv_version: 2505.10212v1 · doi: 10.48550/arxiv.2505.10212 · pith_short_12: OFXXJHS3HFLR · pith_short_16: OFXXJHS3HFLRGKTS · pith_short_8: OFXXJHS3

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/OFXXJHS3HFLRGKTSFAQCESWL5J \
  | 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: 716f749e5b3957132a722820224acbea416e5f45e766740ad817a675a0d3b8ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "096285e66f5aa67d72e5698fe8a306cea56a443fa639f82b7f87f47b49f10b41",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-05-15T12:16:36Z",
    "title_canon_sha256": "1455234fe3dd83baf4ebf171ca7ef168b510122c8d0151ff4f9fbf6d70694273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.10212",
    "kind": "arxiv",
    "version": 1
  }
}