Pith Number

pith:TWYCSYTY

pith:2019:TWYCSYTYJUZ6DQCFWGT3L7BJ53

not attested not anchored not stored refs pending

Copula Density Estimation by Finite Mixture of Parametric Copula Densities

Leming Qu, Yang Lu

arxiv:1906.09388 v1 · 2019-06-22 · stat.CO · stat.AP · 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{TWYCSYTYJUZ6DQCFWGT3L7BJ53}

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	2026-05-17T23:42:38.268542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9db02962784d33e1c045b1a7b5fc29eec91054a6f146d153b579f9208c246106

Aliases

arxiv: 1906.09388 · arxiv_version: 1906.09388v1 · doi: 10.48550/arxiv.1906.09388 · pith_short_12: TWYCSYTYJUZ6 · pith_short_16: TWYCSYTYJUZ6DQCF · pith_short_8: TWYCSYTY

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/TWYCSYTYJUZ6DQCFWGT3L7BJ53 \
  | 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: 9db02962784d33e1c045b1a7b5fc29eec91054a6f146d153b579f9208c246106

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d2bc474274c4007256daeada95bf59b4fe84e8b5a21eab0b24114b8a1d7209",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2019-06-22T05:11:35Z",
    "title_canon_sha256": "af95e5ed243dc188694716dcd45bbe1a484837835c60f397f2e5ce40150ce76b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09388",
    "kind": "arxiv",
    "version": 1
  }
}