Pith Number

pith:XBQBQ6U2

pith:2018:XBQBQ6U2FFJNXBS4O26664GAKH

not attested not anchored not stored refs pending

Random orthogonal matrices and the Cayley transform

David B. Dunson, Michael Jauch, Peter D. Hoff

arxiv:1810.02881 v1 · 2018-10-05 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBQBQ6U2FFJNXBS4O26664GAKH}

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	2026-05-18T00:04:00.019051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b860187a9a2952db865c76bdef70c051cd805722f48685c5abffc4d726ee29d5

Aliases

arxiv: 1810.02881 · arxiv_version: 1810.02881v1 · doi: 10.48550/arxiv.1810.02881 · pith_short_12: XBQBQ6U2FFJN · pith_short_16: XBQBQ6U2FFJNXBS4 · pith_short_8: XBQBQ6U2

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/XBQBQ6U2FFJNXBS4O26664GAKH \
  | 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: b860187a9a2952db865c76bdef70c051cd805722f48685c5abffc4d726ee29d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac72656a4513a992d5f026ecf0ae69edcaad9ad92d86c9a3156f6d24864410a2",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-10-05T20:42:24Z",
    "title_canon_sha256": "8c7182c907e206eb2da5254117d95dc78d835e479e19ffa28912efc65e6684a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02881",
    "kind": "arxiv",
    "version": 1
  }
}