Pith Number

pith:2MHE6FTY

pith:2017:2MHE6FTYROUELZQQL4UOCG7BYO

not attested not anchored not stored refs pending

Gaussian variational approximation with a factor covariance structure

David J. Nott, Michael S. Smith, Victor M.-H. Ong

arxiv:1701.03208 v1 · 2017-01-12 · 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{2MHE6FTYROUELZQQL4UOCG7BYO}

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	2026-05-18T00:52:58.219626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d30e4f16788ba845e6105f28e11be1c3b7f181c990fd493bf8acc817ebbf85a6

Aliases

arxiv: 1701.03208 · arxiv_version: 1701.03208v1 · doi: 10.48550/arxiv.1701.03208 · pith_short_12: 2MHE6FTYROUE · pith_short_16: 2MHE6FTYROUELZQQ · pith_short_8: 2MHE6FTY

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/2MHE6FTYROUELZQQL4UOCG7BYO \
  | 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: d30e4f16788ba845e6105f28e11be1c3b7f181c990fd493bf8acc817ebbf85a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4985c7ece8e3ff5178999a14ab5b315e386c4f55825745217f086c2d92ee7b49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-01-12T01:57:24Z",
    "title_canon_sha256": "cb38ad546ed80a3d106e2dd31e2a4f06dcbfff10ac093380a237341f6853c64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03208",
    "kind": "arxiv",
    "version": 1
  }
}