Pith Number

pith:47J4GMSP

pith:2025:47J4GMSPSXWYV76F4UKZXZVLVM

not attested not anchored not stored refs pending

Difficulty-Controllable Cloze Question Distractor Generation

Gary Geunbae Lee, Seokhoon Kang, Seonjeong Hwang, Yejin Jeon

arxiv:2511.01526 v2 · 2025-11-03 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47J4GMSPSXWYV76F4UKZXZVLVM}

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	2026-05-20T01:05:00.957844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d3c3324f95ed8affc5e5159be6abab3bbc87c3ed27fb270646a38c390376ae

Aliases

arxiv: 2511.01526 · arxiv_version: 2511.01526v2 · doi: 10.48550/arxiv.2511.01526 · pith_short_12: 47J4GMSPSXWY · pith_short_16: 47J4GMSPSXWYV76F · pith_short_8: 47J4GMSP

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/47J4GMSPSXWYV76F4UKZXZVLVM \
  | 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: e7d3c3324f95ed8affc5e5159be6abab3bbc87c3ed27fb270646a38c390376ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36b865deb06d5deb046acf9c886d419e03488abb507ce02d76ca329bbb2c7a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-11-03T12:42:25Z",
    "title_canon_sha256": "07c9c13becc3a9784a4bbba9043a5d3244f187098cc34b8a452e24ab7fdce951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.01526",
    "kind": "arxiv",
    "version": 2
  }
}