Pith Number

pith:3QXPF2SL

pith:2020:3QXPF2SLAR2VKXEIFP242G4AZU

not attested not anchored not stored refs pending

PySINDy: A Python package for the Sparse Identification of Nonlinear Dynamics from Data

Brian M. de Silva, Jean-Christophe Loiseau, J. Nathan Kutz, Kathleen Champion, Markus Quade, Steven L. Brunton

arxiv:2004.08424 v1 · 2020-04-17 · math.DS · physics.comp-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QXPF2SLAR2VKXEIFP242G4AZU}

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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

5 papers in Pith

Orthogonal Discrepancy Kernels for Learning with Partial Physics

LLM-Guided ODE Discovery and Parameter Inference from Small-Cohort Aggregate Data

SINDyG: Sparse Identification of Nonlinear Dynamical Systems from Graph-Structured Data, with Applications to Stuart-Landau Oscillator Networks

The Extended Alpha Group Dynamic Mapping

Receipt and verification

First computed	2026-07-05T00:56:05.779478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc2ef2ea4b0475555c882bf5cd1b80cd13d31dc036e0dc881bc91ff6f343b086

Aliases

arxiv: 2004.08424 · arxiv_version: 2004.08424v1 · doi: 10.48550/arxiv.2004.08424 · pith_short_12: 3QXPF2SLAR2V · pith_short_16: 3QXPF2SLAR2VKXEI · pith_short_8: 3QXPF2SL

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/3QXPF2SLAR2VKXEIFP242G4AZU \
  | 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: dc2ef2ea4b0475555c882bf5cd1b80cd13d31dc036e0dc881bc91ff6f343b086

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06c57c70b83c21a00b2a05907f4fcb694519f7f8f9f8d8b3f1efd1d25688fe15",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2020-04-17T19:13:14Z",
    "title_canon_sha256": "1235be4d0ba4d33c36409835841a73e7cd17fbb1eb8cb7ceedbf6916cf1f420c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08424",
    "kind": "arxiv",
    "version": 1
  }
}