Pith Number

pith:OIOPHTF7

pith:2025:OIOPHTF7TVTGBA7J7WWKV525SZ

not attested not anchored not stored refs pending

Assessing the Quality of AI-Generated Exams: A Large-Scale Field Study

Allen Nie, Ben Domingue, Calvin Isley, Charlotte Tuminelli, Emma Brunskill, Evangelos Kassos, Jake Hofman, Joscha Legewie, Joshua Gilbert, Michaela Kocher, Sharad Goel, Teddy Svoronos

arxiv:2508.08314 v1 · 2025-08-09 · cs.CY · 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{OIOPHTF7TVTGBA7J7WWKV525SZ}

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	2026-07-05T11:52:25.916364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

721cf3ccbf9d666083e9fdacaaf75d965f80a4ba0ec169289352b972ef017d0d

Aliases

arxiv: 2508.08314 · arxiv_version: 2508.08314v1 · doi: 10.48550/arxiv.2508.08314 · pith_short_12: OIOPHTF7TVTG · pith_short_16: OIOPHTF7TVTGBA7J · pith_short_8: OIOPHTF7

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/OIOPHTF7TVTGBA7J7WWKV525SZ \
  | 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: 721cf3ccbf9d666083e9fdacaaf75d965f80a4ba0ec169289352b972ef017d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60743cedb2b0586ebac2f4fa07f506ecb92c38b0fb28fdbb9477db51eb5b6d2c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-08-09T01:20:53Z",
    "title_canon_sha256": "bec8dc0222815b81ab2ef5718baf840e0763540759eba020dbeb9f9c1b2abe48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.08314",
    "kind": "arxiv",
    "version": 1
  }
}