Pith Number

pith:RTRNDFXJ

pith:2017:RTRNDFXJXRL7DUE2T4UOYYOELQ

not attested not anchored not stored refs pending

Model Order Selection Rules For Covariance Structure Classification

A. De Maio, D. Orlando, P. Stoica, V. Carotenuto

arxiv:1704.05927 v1 · 2017-04-19 · math.ST · 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{RTRNDFXJXRL7DUE2T4UOYYOELQ}

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	2026-05-18T00:33:18.665017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ce2d196e9bc57f1d09a9f28ec61c45c2450079921cba694482608e1fb102a54

Aliases

arxiv: 1704.05927 · arxiv_version: 1704.05927v1 · doi: 10.48550/arxiv.1704.05927 · pith_short_12: RTRNDFXJXRL7 · pith_short_16: RTRNDFXJXRL7DUE2 · pith_short_8: RTRNDFXJ

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/RTRNDFXJXRL7DUE2T4UOYYOELQ \
  | 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: 8ce2d196e9bc57f1d09a9f28ec61c45c2450079921cba694482608e1fb102a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "546996d81121ecd1bba06c55610c1748fb574411c8168a5f3a513fccbd745a1e",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-04-19T20:35:32Z",
    "title_canon_sha256": "b77609483e0d7fb64bff259e52ccf293f71a5e9a60decddb705fb805e30e5c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05927",
    "kind": "arxiv",
    "version": 1
  }
}