Pith Number

pith:6SH6PWPV

pith:2026:6SH6PWPVC2FMUASXQMDRH2XPEX

not attested not anchored not stored refs pending

Mixture-of-Finite-Mixtures Wishart Model for Clustering Covariance Matrices with an Application to Brain Functional Connectivity

Stefano Castruccio, Zhiyong Zhang, Zongyu Li

arxiv:2605.23207 v1 · 2026-05-22 · 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{6SH6PWPVC2FMUASXQMDRH2XPEX}

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	2026-05-25T02:01:43.694289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f48fe7d9f5168aca0257830713eaef25e659fa83193e36b6267f4110f42e63d5

Aliases

arxiv: 2605.23207 · arxiv_version: 2605.23207v1 · doi: 10.48550/arxiv.2605.23207 · pith_short_12: 6SH6PWPVC2FM · pith_short_16: 6SH6PWPVC2FMUASX · pith_short_8: 6SH6PWPV

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/6SH6PWPVC2FMUASXQMDRH2XPEX \
  | 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: f48fe7d9f5168aca0257830713eaef25e659fa83193e36b6267f4110f42e63d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "906aa03492c566702c92551d1f7546be597071a5c4fb81e6891d886a479021b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-05-22T03:52:19Z",
    "title_canon_sha256": "b82b82b8173e74da947b2d410f2548535a46bccb52a69400487044883d8b21b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23207",
    "kind": "arxiv",
    "version": 1
  }
}