Pith Number

pith:G7DZB2CY

pith:2015:G7DZB2CYMPBB5GYAGHXRDTAFY5

not attested not anchored not stored refs pending

Covariance Matrices and Influence Scores for Mean Field Variational Bayes

Ryan Giordano, Tamara Broderick

arxiv:1502.07685 v1 · 2015-02-26 · stat.ML · 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{G7DZB2CYMPBB5GYAGHXRDTAFY5}

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	2026-05-18T02:26:03.124748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37c790e85863c21e9b0031ef11cc05c76382267f12a50323a6c54f197d149d0b

Aliases

arxiv: 1502.07685 · arxiv_version: 1502.07685v1 · doi: 10.48550/arxiv.1502.07685 · pith_short_12: G7DZB2CYMPBB · pith_short_16: G7DZB2CYMPBB5GYA · pith_short_8: G7DZB2CY

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/G7DZB2CYMPBB5GYAGHXRDTAFY5 \
  | 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: 37c790e85863c21e9b0031ef11cc05c76382267f12a50323a6c54f197d149d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c1b95c3b5f9e4e50b491bc2aa5bc4b480bfc65e20ac85103467a8d5acbd554",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-02-26T19:08:39Z",
    "title_canon_sha256": "989d8ebe30d4a45b60ddb9ba0ca1c3a66e0fa38d31e4f988510af52f23ee1005"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07685",
    "kind": "arxiv",
    "version": 1
  }
}