Pith Number

pith:DIGGDPKR

pith:2011:DIGGDPKR55R4DL3GETW6BSQB6W

not attested not anchored not stored refs pending

Estimation of covariance matrices based on hierarchical inverse-Wishart priors

Mathilde Bouriga, Olivier F\'eron

arxiv:1106.3203 v1 · 2011-06-16 · 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{DIGGDPKR55R4DL3GETW6BSQB6W}

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	2026-05-18T04:19:54.008073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a0c61bd51ef63c1af6624ede0ca01f5be3a6b5ce1067f97dbbabc734b6d5456

Aliases

arxiv: 1106.3203 · arxiv_version: 1106.3203v1 · doi: 10.48550/arxiv.1106.3203 · pith_short_12: DIGGDPKR55R4 · pith_short_16: DIGGDPKR55R4DL3G · pith_short_8: DIGGDPKR

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/DIGGDPKR55R4DL3GETW6BSQB6W \
  | 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: 1a0c61bd51ef63c1af6624ede0ca01f5be3a6b5ce1067f97dbbabc734b6d5456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e8511df51cb8ae3d6136f82e95998d7b23d0e46739744d7d89804d5a12b40f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-06-16T11:39:36Z",
    "title_canon_sha256": "66b4c36cf2b1a40ad1809651e5193b18841677480921f43caf0597924d16a7cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3203",
    "kind": "arxiv",
    "version": 1
  }
}