Pith Number

pith:GFEQ6ZCI

pith:2012:GFEQ6ZCILHA6EIZBHKJPUDRYBN

not attested not anchored not stored refs pending

MultiLCIRT: An R package for multidimensional latent class item response models

Francesco Bartolucci, Michela Gnaldi, Silvia Bacci

arxiv:1210.5267 v1 · 2012-10-18 · stat.AP · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFEQ6ZCILHA6EIZBHKJPUDRYBN}

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	2026-05-18T03:42:45.676160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31490f644859c1e223213a92fa0e380b4403dcd23fc03c68406a3534ad7b157f

Aliases

arxiv: 1210.5267 · arxiv_version: 1210.5267v1 · doi: 10.48550/arxiv.1210.5267 · pith_short_12: GFEQ6ZCILHA6 · pith_short_16: GFEQ6ZCILHA6EIZB · pith_short_8: GFEQ6ZCI

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/GFEQ6ZCILHA6EIZBHKJPUDRYBN \
  | 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: 31490f644859c1e223213a92fa0e380b4403dcd23fc03c68406a3534ad7b157f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01ceddff4e65cb9c217137bdcf475c0e1e895e1fdb6b6e7fe126247871066eb9",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-10-18T21:40:33Z",
    "title_canon_sha256": "dce332c61b42e7054bd83f0db404b32a4fa47e64163e2f702b7c726924d81b33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5267",
    "kind": "arxiv",
    "version": 1
  }
}