Pith Number

pith:XGS2MSII

pith:2024:XGS2MSII54UQSCS53IDHG4VZ6B

not attested not anchored not stored refs pending

Controlling Cloze-test Question Item Difficulty with PLM-based Surrogate Models for IRT Assessment

Jiajun Xie, Jingshen Zhang, Xinying Qiu

arxiv:2403.01456 v1 · 2024-03-03 · cs.CL · cs.AI · 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{XGS2MSII54UQSCS53IDHG4VZ6B}

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	2026-07-05T07:51:47.488701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9a5a64908ef29090a5dda067372b9f0447735bb48a0a89c601fec7f56d949fd

Aliases

arxiv: 2403.01456 · arxiv_version: 2403.01456v1 · doi: 10.48550/arxiv.2403.01456 · pith_short_12: XGS2MSII54UQ · pith_short_16: XGS2MSII54UQSCS5 · pith_short_8: XGS2MSII

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/XGS2MSII54UQSCS53IDHG4VZ6B \
  | 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: b9a5a64908ef29090a5dda067372b9f0447735bb48a0a89c601fec7f56d949fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d3ab151b438d031405259d4d1d7405ba851301dedb0afeb8786de778012d9f4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-03-03T09:18:05Z",
    "title_canon_sha256": "42ba3264d5ac326455f925f3e184b07e56c6f83336e46fe3ae91bf2b1b3f010c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.01456",
    "kind": "arxiv",
    "version": 1
  }
}