Pith Number

pith:DPJA4FRR

pith:2014:DPJA4FRRB7UMULKUDBSKQ57DHF

not attested not anchored not stored refs pending

Hypothesis Testing for the Covariance Matrix in High-Dimensional Transposable Data with Kronecker Product Dependence Structure

Anestis Touloumis, John Marioni, Simon Tavar\'e

arxiv:1404.7684 v2 · 2014-04-30 · 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{DPJA4FRRB7UMULKUDBSKQ57DHF}

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	2026-05-18T02:38:09.989723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd20e16310fe8ca2d541864a877e33943b9faf69071749db58781d54417160e

Aliases

arxiv: 1404.7684 · arxiv_version: 1404.7684v2 · doi: 10.48550/arxiv.1404.7684 · pith_short_12: DPJA4FRRB7UM · pith_short_16: DPJA4FRRB7UMULKU · pith_short_8: DPJA4FRR

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/DPJA4FRRB7UMULKUDBSKQ57DHF \
  | 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: 1bd20e16310fe8ca2d541864a877e33943b9faf69071749db58781d54417160e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "885bd3f11cf3108dcb102ff8b88a5590eaf38ac6b7a08930fd0bacb203caf834",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-04-30T11:15:22Z",
    "title_canon_sha256": "e48e616b39e0a44cd16cfe7db48d3fea841034894e584bcc6aa07d1c2f9e7263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7684",
    "kind": "arxiv",
    "version": 2
  }
}