Pith Number

pith:ZBOMUHEO

pith:2014:ZBOMUHEOK5ORXPBKMQR7ODAMRZ

not attested not anchored not stored refs pending

A multidimensional latent class IRT model for non-ignorable missing responses

Francesco Bartolucci, Silvia Bacci

arxiv:1410.4856 v1 · 2014-10-17 · 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{ZBOMUHEOK5ORXPBKMQR7ODAMRZ}

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	2026-05-18T02:39:47.625838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c85cca1c8e575d1bbc2a6423f70c0c8e58767aebfe03753d2b42588ec98cb712

Aliases

arxiv: 1410.4856 · arxiv_version: 1410.4856v1 · doi: 10.48550/arxiv.1410.4856 · pith_short_12: ZBOMUHEOK5OR · pith_short_16: ZBOMUHEOK5ORXPBK · pith_short_8: ZBOMUHEO

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/ZBOMUHEOK5ORXPBKMQR7ODAMRZ \
  | 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: c85cca1c8e575d1bbc2a6423f70c0c8e58767aebfe03753d2b42588ec98cb712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb8e8dfa4fa1aa39fbae069d9949eee786a23ab3da0abd8072f64469a317d69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-10-17T20:40:52Z",
    "title_canon_sha256": "85fe9a0962a42a79c03b588cdeba72a76e2b4dc974b9db828ef28de5fd8524ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4856",
    "kind": "arxiv",
    "version": 1
  }
}