Pith Number

pith:FJQVDEW2

pith:2025:FJQVDEW2MLFPOKXJJVC5PH3FPT

not attested not anchored not stored refs pending

Cognitive and non-cognitive efficiency gaps between private and public schools in the Latin America region-a hybrid DEA and machine learning approach based on PISA 2022

Marcos Delprato

arxiv:2509.25353 v2 · 2025-09-29 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJQVDEW2MLFPOKXJJVC5PH3FPT}

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	2026-06-11T01:10:28.629619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a615192da62caf72ae94d45d79f657cd38fe16e149486d664550a84e08f5eb1

Aliases

arxiv: 2509.25353 · arxiv_version: 2509.25353v2 · doi: 10.48550/arxiv.2509.25353 · pith_short_12: FJQVDEW2MLFP · pith_short_16: FJQVDEW2MLFPOKXJ · pith_short_8: FJQVDEW2

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/FJQVDEW2MLFPOKXJJVC5PH3FPT \
  | 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: 2a615192da62caf72ae94d45d79f657cd38fe16e149486d664550a84e08f5eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c869920aed7785def4decc91d134e5000a2a867562a6fce4326702ad6fdc7e8",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2025-09-29T18:04:44Z",
    "title_canon_sha256": "d7b001a2872f51b54d83fa8e75d130b15f7afdc641be06e2a06712c0f1f4c980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.25353",
    "kind": "arxiv",
    "version": 2
  }
}