Pith Number

pith:I3XIVNW3

pith:2018:I3XIVNW3ISILRRG5XOAID5PQJV

not attested not anchored not stored refs pending

Exploring the Accuracy of MIRT Scale Linking Procedures for Mixed-format Tests

Haiqin Chen, Tianli Li, Zhen Li

arxiv:1805.00189 v1 · 2018-05-01 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I3XIVNW3ISILRRG5XOAID5PQJV}

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	2026-05-18T00:17:10.336870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ee8ab6db4490b8c4ddbb8081f5f04d76151d752e3550f578810c3e306ad6e9

Aliases

arxiv: 1805.00189 · arxiv_version: 1805.00189v1 · doi: 10.48550/arxiv.1805.00189 · pith_short_12: I3XIVNW3ISIL · pith_short_16: I3XIVNW3ISILRRG5 · pith_short_8: I3XIVNW3

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/I3XIVNW3ISILRRG5XOAID5PQJV \
  | 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: 46ee8ab6db4490b8c4ddbb8081f5f04d76151d752e3550f578810c3e306ad6e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1db42c6413d6b721c061a80b0506df1f2f41cb512f8e3f1ade746d92a4d9b6fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-05-01T05:11:59Z",
    "title_canon_sha256": "4b6e01bd95fa855678c984286afb95e9b8ad5251086c2ba59ba0435572d88d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00189",
    "kind": "arxiv",
    "version": 1
  }
}