Pith Number

pith:KJVCXF3A

pith:2012:KJVCXF3ACBWX6MN53RFDO2AYJQ

not attested not anchored not stored refs pending

A class of Multidimensional Latent Class IRT models for ordinal polytomous item responses

Francesco Bartolucci, Michela Gnaldi, Silvia Bacci

arxiv:1201.4667 v1 · 2012-01-23 · 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{KJVCXF3ACBWX6MN53RFDO2AYJQ}

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	2026-05-18T04:04:05.457864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

526a2b9760106d7f31bddc4a3768184c0647b0d7994c74a0d38aebc0a8badadd

Aliases

arxiv: 1201.4667 · arxiv_version: 1201.4667v1 · doi: 10.48550/arxiv.1201.4667 · pith_short_12: KJVCXF3ACBWX · pith_short_16: KJVCXF3ACBWX6MN5 · pith_short_8: KJVCXF3A

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/KJVCXF3ACBWX6MN53RFDO2AYJQ \
  | 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: 526a2b9760106d7f31bddc4a3768184c0647b0d7994c74a0d38aebc0a8badadd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a8e68b04c45de01ea0d2e255d2fb43d7627e9abd3f1c366117db4d80b62c11c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-01-23T10:18:40Z",
    "title_canon_sha256": "dfc02fda63523ea8fe784bddf979c6406de1e00ff004ba2a4c5f468ac26f7ffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4667",
    "kind": "arxiv",
    "version": 1
  }
}