Pith Number

pith:W27HKBSE

pith:2014:W27HKBSEFQGANAEFTQAFYJ7G7B

not attested not anchored not stored refs pending

Error Bound for Compound Wishart Matrices

Ilya Soloveychik

arxiv:1402.5581 v2 · 2014-02-23 · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W27HKBSEFQGANAEFTQAFYJ7G7B}

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	2026-05-18T02:56:34.512252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6be7506442c0c0680859c005c27e6f85818e4216716469807f96d928d5efaf0

Aliases

arxiv: 1402.5581 · arxiv_version: 1402.5581v2 · doi: 10.48550/arxiv.1402.5581 · pith_short_12: W27HKBSEFQGA · pith_short_16: W27HKBSEFQGANAEF · pith_short_8: W27HKBSE

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/W27HKBSEFQGANAEFTQAFYJ7G7B \
  | 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: b6be7506442c0c0680859c005c27e6f85818e4216716469807f96d928d5efaf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a64bab3ae8c214875d7c4b64cab14d146a3eda4d80c9bc0b926bad4e85eb4e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2014-02-23T06:30:17Z",
    "title_canon_sha256": "853eecce762573ecb8ab1bed61dda1b79c7d0a2855f46a02bda9f2025bc3081e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5581",
    "kind": "arxiv",
    "version": 2
  }
}