Pith Number

pith:CZZL7ZAJ

pith:2019:CZZL7ZAJ23BMBFKF6K7UCSARK2

not attested not anchored not stored refs pending

On the Structure of Ordered Latent Trait Models

Gerhard Tutz

arxiv:1906.03851 v1 · 2019-06-10 · 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{CZZL7ZAJ23BMBFKF6K7UCSARK2}

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	2026-05-17T23:43:44.750339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1672bfe409d6c2c09545f2bf41481156b6b6bf6d72617273d6d608e2225f6198

Aliases

arxiv: 1906.03851 · arxiv_version: 1906.03851v1 · doi: 10.48550/arxiv.1906.03851 · pith_short_12: CZZL7ZAJ23BM · pith_short_16: CZZL7ZAJ23BMBFKF · pith_short_8: CZZL7ZAJ

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/CZZL7ZAJ23BMBFKF6K7UCSARK2 \
  | 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: 1672bfe409d6c2c09545f2bf41481156b6b6bf6d72617273d6d608e2225f6198

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f49928a4376c7b3d392c805167d0e4d9e1b0e1e820cfaf189dbb81c8aa332a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-06-10T09:09:13Z",
    "title_canon_sha256": "d8a0df782e46c20334c239adb3a90e1f14dbff8e061fbb4b35ab4f19fd93aed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03851",
    "kind": "arxiv",
    "version": 1
  }
}