Pith Number

pith:T2X7CYB3

pith:2014:T2X7CYB3TLP7TV7EAKV727VI6Y

not attested not anchored not stored refs pending

Covariance Matrices for Mean Field Variational Bayes

Ryan Giordano, Tamara Broderick

arxiv:1410.6853 v2 · 2014-10-24 · stat.ML · cs.LG · 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{T2X7CYB3TLP7TV7EAKV727VI6Y}

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	2026-05-18T02:31:46.297911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eaff1603b9adff9d7e402abfd7ea8f63fde8dc3af8a4926127656ad34afd74b

Aliases

arxiv: 1410.6853 · arxiv_version: 1410.6853v2 · doi: 10.48550/arxiv.1410.6853 · pith_short_12: T2X7CYB3TLP7 · pith_short_16: T2X7CYB3TLP7TV7E · pith_short_8: T2X7CYB3

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/T2X7CYB3TLP7TV7EAKV727VI6Y \
  | 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: 9eaff1603b9adff9d7e402abfd7ea8f63fde8dc3af8a4926127656ad34afd74b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012c123c21e24d6ca52a1a728954713c321df4f2fb6dc885dca8e93e3c258335",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-10-24T23:31:44Z",
    "title_canon_sha256": "a3b38dd6bd84de03bacc6861625bb9429e318517a40c03552325a52b9e5b8716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6853",
    "kind": "arxiv",
    "version": 2
  }
}