Pith Number

pith:6QF3DGI2

pith:2023:6QF3DGI2BTGGYN4SORQPEPCQSG

not attested not anchored not stored refs pending

Multivariate extensions of the Multilevel Best Linear Unbiased Estimator for ensemble-variational data assimilation

Mayeul Destouches, Paul Mycek, Selime G\"urol

arxiv:2306.07017 v2 · 2023-06-12 · stat.ME · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QF3DGI2BTGGYN4SORQPEPCQSG}

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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.

Cited by

1 paper in Pith

An Introduction to Solving the Least-Squares Problem in Variational Data Assimilation

Receipt and verification

First computed	2026-07-05T09:06:00.272445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f40bb1991a0ccc6c37927460f23c5091b7e46192420aa0cda24565930875b755

Aliases

arxiv: 2306.07017 · arxiv_version: 2306.07017v2 · doi: 10.48550/arxiv.2306.07017 · pith_short_12: 6QF3DGI2BTGG · pith_short_16: 6QF3DGI2BTGGYN4S · pith_short_8: 6QF3DGI2

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/6QF3DGI2BTGGYN4SORQPEPCQSG \
  | 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: f40bb1991a0ccc6c37927460f23c5091b7e46192420aa0cda24565930875b755

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eef79a59ee6936b29c1d1ba1b99b77959d3105f0f938e5cc3f32da33bba4fe1",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2023-06-12T10:41:16Z",
    "title_canon_sha256": "577f815bacb3abb19c7ad41926bfbc56262a4710b83f8256217fe7678a618d67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.07017",
    "kind": "arxiv",
    "version": 2
  }
}