Pith Number

pith:EODQB6K7

pith:2026:EODQB6K7TWGORO45RATLVKV4YA

not attested not anchored not stored refs pending

Hierarchical Bayesian Estimation of Covariance Matrices

Daniel Xiang, Daniel Yekutieli, Jonas Wallin, Malgorzata Bogdan

arxiv:2606.24751 v1 · 2026-06-23 · 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{EODQB6K7TWGORO45RATLVKV4YA}

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	2026-06-24T01:15:41.111708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

238700f95f9d8ce8bb9d8826baaabcc03de8e025396cdeefe04ffdd74f0bb45f

Aliases

arxiv: 2606.24751 · arxiv_version: 2606.24751v1 · doi: 10.48550/arxiv.2606.24751 · pith_short_12: EODQB6K7TWGO · pith_short_16: EODQB6K7TWGORO45 · pith_short_8: EODQB6K7

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/EODQB6K7TWGORO45RATLVKV4YA \
  | 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: 238700f95f9d8ce8bb9d8826baaabcc03de8e025396cdeefe04ffdd74f0bb45f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f2bcf8e536b41e8c887a5d89724560781d1be787d762b9a2380233fe0cddeba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-23T16:14:48Z",
    "title_canon_sha256": "0c718aee455ecce84ed2c64c62765e46bcb53aedbd62fd659cc0a1756f5288bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24751",
    "kind": "arxiv",
    "version": 1
  }
}