Pith Number

pith:UHHERNHZ

pith:2021:UHHERNHZECCTBZ3NAPVA6WBOCP

not attested not anchored not stored refs pending

Online Variational Filtering and Parameter Learning

Andrew Campbell, Arnaud Doucet, Tom Rainforth, Yuyang Shi

arxiv:2110.13549 v2 · 2021-10-26 · stat.ML · cs.LG · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHHERNHZECCTBZ3NAPVA6WBOCP}

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	2026-07-05T04:31:48.980739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ce48b4f9208530e76d03ea0f582e13c03a00422a707430d5aceb0800fa3a06

Aliases

arxiv: 2110.13549 · arxiv_version: 2110.13549v2 · doi: 10.48550/arxiv.2110.13549 · pith_short_12: UHHERNHZECCT · pith_short_16: UHHERNHZECCTBZ3N · pith_short_8: UHHERNHZ

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/UHHERNHZECCTBZ3NAPVA6WBOCP \
  | 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: a1ce48b4f9208530e76d03ea0f582e13c03a00422a707430d5aceb0800fa3a06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c9807ce614168a14e211f6b298700d9085c3d2f0d3b2941b1d65ebe114c3151",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-10-26T10:25:04Z",
    "title_canon_sha256": "15b7c8c1d3e64fe8b2001c48ab11bd92117533e6776a5e9c046d900a3087c92b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.13549",
    "kind": "arxiv",
    "version": 2
  }
}