Pith Number

pith:VBXSXSJT

pith:2024:VBXSXSJTREZTIJZHAE6NBZMPPM

not attested not anchored not stored refs pending

e-Fold Cross-Validation for Recommender-System Evaluation

Joeran Beel, Lukas Wegmeth, Moritz Baumgart, Tobias Vente

arxiv:2412.01011 v1 · 2024-12-02 · cs.LG · 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{VBXSXSJTREZTIJZHAE6NBZMPPM}

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	2026-07-05T09:42:52.050716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a86f2bc9338933342727013cd0e58f7b18240be72a9380e36d71c41a4daaee4a

Aliases

arxiv: 2412.01011 · arxiv_version: 2412.01011v1 · doi: 10.48550/arxiv.2412.01011 · pith_short_12: VBXSXSJTREZT · pith_short_16: VBXSXSJTREZTIJZH · pith_short_8: VBXSXSJT

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/VBXSXSJTREZTIJZHAE6NBZMPPM \
  | 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: a86f2bc9338933342727013cd0e58f7b18240be72a9380e36d71c41a4daaee4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04fdc2be880dd36429bd2f1c84e2b93f9dbc83480f3021b0b565084cc8ec69d8",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-02T00:05:20Z",
    "title_canon_sha256": "dbdfaa4ac3b618156e3ce5c4e91f5fa8cd59184135393c44f24bc7aab5625d65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.01011",
    "kind": "arxiv",
    "version": 1
  }
}