Pith Number

pith:QG563D6F

pith:2018:QG563D6FBAOGTAM743DTLSRAB5

not attested not anchored not stored refs pending

Optimal Designs for the Generalized Partial Credit Model

Heinz Holling, Paul-Christian B\"urkner, Rainer Schwabe

arxiv:1803.06517 v2 · 2018-03-17 · math.ST · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QG563D6FBAOGTAM743DTLSRAB5}

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	2026-05-18T00:02:49.534075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81bbed8fc5081c69819fe6c735ca200f6549e5c009f9cf618bc998d7befbafc7

Aliases

arxiv: 1803.06517 · arxiv_version: 1803.06517v2 · doi: 10.48550/arxiv.1803.06517 · pith_short_12: QG563D6FBAOG · pith_short_16: QG563D6FBAOGTAM7 · pith_short_8: QG563D6F

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/QG563D6FBAOGTAM743DTLSRAB5 \
  | 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: 81bbed8fc5081c69819fe6c735ca200f6549e5c009f9cf618bc998d7befbafc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2d9e1092b08f1c8f0d81f54606fa977a6c943c84f8bbfdb7af1c88b668ac1d",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-03-17T15:07:52Z",
    "title_canon_sha256": "51f3e0ffe087d97a791f381e0e5efc45ed3d731765bce7281142e0a188670f1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06517",
    "kind": "arxiv",
    "version": 2
  }
}