Pith Number

pith:TLIKULZX

pith:2025:TLIKULZX6SELCBQC64GGG333J3

not attested not anchored not stored refs pending

On the Reliability of Sampling Strategies in Offline Recommender Evaluation

Alan Said, Bruno L. Pereira, Rodrygo L. T. Santos

arxiv:2508.05398 v2 · 2025-08-07 · 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{TLIKULZX6SELCBQC64GGG333J3}

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	2026-07-05T11:52:03.560076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ad0aa2f37f488b10602f70c636f7b4edbf2db0b06109f069f909763085a6cbb

Aliases

arxiv: 2508.05398 · arxiv_version: 2508.05398v2 · doi: 10.48550/arxiv.2508.05398 · pith_short_12: TLIKULZX6SEL · pith_short_16: TLIKULZX6SELCBQC · pith_short_8: TLIKULZX

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/TLIKULZX6SELCBQC64GGG333J3 \
  | 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: 9ad0aa2f37f488b10602f70c636f7b4edbf2db0b06109f069f909763085a6cbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcf7978861e36428a68be1f8f175c333aff5bca1a3dc376f5fc3242d04c1fe5b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-08-07T13:50:05Z",
    "title_canon_sha256": "0fa71d55c2a71f29d449b448883ec8a049dbe20c8b0382cc4e74ffcf4ee87750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.05398",
    "kind": "arxiv",
    "version": 2
  }
}