Pith Number

pith:3KA772X6

pith:2026:3KA772X6TXJW7NWGW4MWSH3BBF

not attested not anchored not stored refs pending

Mean-field Variational Bayes for Sparse Probit Regression

Augusto Fasano, Giovanni Rebaudo

arxiv:2601.21765 v2 · 2026-01-29 · stat.CO · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KA772X6TXJW7NWGW4MWSH3BBF}

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	2026-05-20T00:00:32.749515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da81ffeafe9dd36fb6c6b719691f61095c2dcc50516c12d7d48aed3726b81af2

Aliases

arxiv: 2601.21765 · arxiv_version: 2601.21765v2 · doi: 10.48550/arxiv.2601.21765 · pith_short_12: 3KA772X6TXJW · pith_short_16: 3KA772X6TXJW7NWG · pith_short_8: 3KA772X6

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/3KA772X6TXJW7NWGW4MWSH3BBF \
  | 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: da81ffeafe9dd36fb6c6b719691f61095c2dcc50516c12d7d48aed3726b81af2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f2434043c299ef17f1dd4b090c2f1ba1e49570d701f9960d880db45c738b01",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2026-01-29T14:16:31Z",
    "title_canon_sha256": "b58a92719fcb4985b95f51547a043f5ee8a8d287376edeb2fc4af7958110dc7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21765",
    "kind": "arxiv",
    "version": 2
  }
}