Pith Number

pith:P7ESQRJB

pith:2025:P7ESQRJBBOX7D5JSWCDAG2ORVE

not attested not anchored not stored refs pending

The Impact of Item-Writing Flaws on Difficulty and Discrimination in Item Response Theory

Robin Schmucker, Steven Moore

arxiv:2503.10533 v3 · 2025-03-13 · 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{P7ESQRJBBOX7D5JSWCDAG2ORVE}

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.

Cited by

1 paper in Pith

BenchMarker: An Education-Inspired Toolkit for Highlighting Flaws in Multiple-Choice Benchmarks

Receipt and verification

First computed	2026-07-05T11:49:52.086327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc92845210baff1f532b0860369d1a90b7a7ec7845eba2d5ccb37bb2566fce5

Aliases

arxiv: 2503.10533 · arxiv_version: 2503.10533v3 · doi: 10.48550/arxiv.2503.10533 · pith_short_12: P7ESQRJBBOX7 · pith_short_16: P7ESQRJBBOX7D5JS · pith_short_8: P7ESQRJB

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/P7ESQRJBBOX7D5JSWCDAG2ORVE \
  | 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: 7fc92845210baff1f532b0860369d1a90b7a7ec7845eba2d5ccb37bb2566fce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a37c74f58de47b3c373ad5de3b90a1bbf874caa155354121fd7badbf2de038f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-03-13T16:47:07Z",
    "title_canon_sha256": "6e7048a024c481bdfeb6682b7f2a0fae4bab810089a571293e953db351b2a70b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.10533",
    "kind": "arxiv",
    "version": 3
  }
}