Pith Number

pith:Z5OFRGWI

pith:2018:Z5OFRGWI75ADIFTGKBDSUXZTTK

not attested not anchored not stored refs pending

Sparse Bayesian Factor Analysis when the Number of Factors is Unknown

Hedibert Freitas Lopes, Sylvia Fruehwirth-Schnatter

arxiv:1804.04231 v1 · 2018-04-11 · 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{Z5OFRGWI75ADIFTGKBDSUXZTTK}

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	2026-05-18T00:18:40.298154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf5c589ac8ff4034166650472a5f339aaa5c1b4b70e103c362b408d30162d7d5

Aliases

arxiv: 1804.04231 · arxiv_version: 1804.04231v1 · doi: 10.48550/arxiv.1804.04231 · pith_short_12: Z5OFRGWI75AD · pith_short_16: Z5OFRGWI75ADIFTG · pith_short_8: Z5OFRGWI

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/Z5OFRGWI75ADIFTGKBDSUXZTTK \
  | 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: cf5c589ac8ff4034166650472a5f339aaa5c1b4b70e103c362b408d30162d7d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c4ab84e1bd5f4e68e7ba7bc110c8ec6278257eb68ebbb4a3b0a982de0c438da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-04-11T21:32:32Z",
    "title_canon_sha256": "172c2d1af2ca7cb8c2c15c7ec7c6a288c065d712a2c3405aa28b33d10bd41c2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04231",
    "kind": "arxiv",
    "version": 1
  }
}