Pith Number

pith:AFS3VDZD

pith:2025:AFS3VDZDZD7CWIQNFK746CFB6A

not attested not anchored not stored refs pending

Ensemble Kalman Filter for Data Assimilation coupled with low-resolution computations techniques applied in Fluid Dynamics

Ashton Hetherington, David Lanceta, Jos\'e Miguel Perez, Paul Jeanney, Shady E. Ahmed, Soledad Le Clainche, Susana Saiz

arxiv:2507.00539 v2 · 2025-07-01 · cs.CE · physics.flu-dyn

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFS3VDZDZD7CWIQNFK746CFB6A}

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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

Low-Cost High-Order Singular Value Decomposition for Tensor-Based Reconstruction from Sparse Sensor Measurements: Urban Flow and Air-Quality Applications

Receipt and verification

First computed	2026-07-05T11:30:23.788806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0165ba8f23c8fe2b220d2abfcf08a1f0207f0252f42fcd287bf5e98c5116d0b6

Aliases

arxiv: 2507.00539 · arxiv_version: 2507.00539v2 · doi: 10.48550/arxiv.2507.00539 · pith_short_12: AFS3VDZDZD7C · pith_short_16: AFS3VDZDZD7CWIQN · pith_short_8: AFS3VDZD

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/AFS3VDZDZD7CWIQNFK746CFB6A \
  | 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: 0165ba8f23c8fe2b220d2abfcf08a1f0207f0252f42fcd287bf5e98c5116d0b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07434315932c40351e85ad58a65f3342968bfe202159cce1a939e728e6ecab65",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2025-07-01T07:59:16Z",
    "title_canon_sha256": "4952c9c6d14eb954900411e31af637bedac3c6d577f9ab0a9a0791c233353e21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00539",
    "kind": "arxiv",
    "version": 2
  }
}