Pith Number

pith:UTOVIN3I

pith:2025:UTOVIN3INTJBMUZHHQQ64V42P4

not attested not anchored not stored refs pending

Centralized vs. Federated Learning for Educational Data Mining: A Comparative Study on Student Performance Prediction with SAEB Microdata

Rodrigo Tertulino

arxiv:2509.00086 v1 · 2025-08-27 · cs.LG · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTOVIN3INTJBMUZHHQQ64V42P4}

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	2026-07-05T12:02:09.276741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4dd5437686cd21653273c21ee579a7f0072bf40f7c7b42b049f5f3039056171

Aliases

arxiv: 2509.00086 · arxiv_version: 2509.00086v1 · doi: 10.48550/arxiv.2509.00086 · pith_short_12: UTOVIN3INTJB · pith_short_16: UTOVIN3INTJBMUZH · pith_short_8: UTOVIN3I

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/UTOVIN3INTJBMUZHHQQ64V42P4 \
  | 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: a4dd5437686cd21653273c21ee579a7f0072bf40f7c7b42b049f5f3039056171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58dd1cc84ee89cb256938fb492015e319dfcb98af3355fe34ad622398211ee33",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-27T10:30:25Z",
    "title_canon_sha256": "53979e3ae5894d3582e1066924b2660bd423dfe2d51b126370c8185345e09293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00086",
    "kind": "arxiv",
    "version": 1
  }
}