Pith Number

pith:6A3LQJNS

pith:2018:6A3LQJNSU44E27WHSQL2MRPQXH

not attested not anchored not stored refs pending

Ensemble Kalman Filtering for Online Gaussian Process Regression and Learning

Danil Kuzin, Le Yang, Lyudmila Mihaylova, Olga Isupova

arxiv:1807.03369 v1 · 2018-07-09 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6A3LQJNSU44E27WHSQL2MRPQXH}

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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	2026-05-18T00:06:20.060169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f036b825b2a7384d7ec79417a645f0b9c3115f3fe523eeae916ac35eb99dc0da

Aliases

arxiv: 1807.03369 · arxiv_version: 1807.03369v1 · doi: 10.48550/arxiv.1807.03369 · pith_short_12: 6A3LQJNSU44E · pith_short_16: 6A3LQJNSU44E27WH · pith_short_8: 6A3LQJNS

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/6A3LQJNSU44E27WHSQL2MRPQXH \
  | 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: f036b825b2a7384d7ec79417a645f0b9c3115f3fe523eeae916ac35eb99dc0da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "739712bc53361b1d12637456cf62323fd870ad328c138ba7aa23afbef3a16e51",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-07-09T20:20:20Z",
    "title_canon_sha256": "14de35014d11b9f3c14b7ecb3921717601704fbee2c3bda41a0d355ffcebefa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03369",
    "kind": "arxiv",
    "version": 1
  }
}