Pith Number

pith:2UN5B3LY

pith:2025:2UN5B3LYM3JJIOZJOZ523AUFBY

not attested not anchored not stored refs pending

A Novel Approach to Scalable and Automatic Topic-Controlled Question Generation in Education

Mutlu Cukurova, Sahan Bulathwela, Ziqing Li

arxiv:2501.05220 v1 · 2025-01-09 · cs.CY · cs.AI · cs.CL · 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{2UN5B3LYM3JJIOZJOZ523AUFBY}

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	2026-07-05T09:59:06.549979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d51bd0ed7866d2943b29767bad82850e32f3bac3f6904afff59ca5c9cb0ddf26

Aliases

arxiv: 2501.05220 · arxiv_version: 2501.05220v1 · doi: 10.48550/arxiv.2501.05220 · pith_short_12: 2UN5B3LYM3JJ · pith_short_16: 2UN5B3LYM3JJIOZJ · pith_short_8: 2UN5B3LY

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/2UN5B3LYM3JJIOZJOZ523AUFBY \
  | 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: d51bd0ed7866d2943b29767bad82850e32f3bac3f6904afff59ca5c9cb0ddf26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca4e9a4ffb358b6a4803665ce8f3b062c775b11159f2a0c2fa5dec1551e7e05c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-01-09T13:13:24Z",
    "title_canon_sha256": "c9488866bdc5f1469a6bb16d477745ca4c30166e0d3b784b5bfdbedd13195608"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05220",
    "kind": "arxiv",
    "version": 1
  }
}