Pith Number

pith:4DL3MQO2

pith:2024:4DL3MQO2SQ4KOQZDT4PRHCOQGG

not attested not anchored not stored refs pending

Greedy construction of quadratic manifolds for nonlinear dimensionality reduction and nonlinear model reduction

Benjamin Peherstorfer, Paul Schwerdtner

arxiv:2403.06732 v2 · 2024-03-11 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DL3MQO2SQ4KOQZDT4PRHCOQGG}

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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

4 papers in Pith

Sparse POD Mode Selection and Manifold Dimensionality Reduction with Neural Networks

Fast Quadratic Manifold Learning For Nonlinear Dimensionality Reduction in Large-scale Systems using Riemannian Optimization

A Dynamic Subspace Approach for Low-rank Approximation of Large-scale Nonlinear Systems

Sparse POD Mode Selection and Manifold Dimensionality Reduction with Neural Networks

Receipt and verification

First computed	2026-07-05T09:48:12.720259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0d7b641da9438a743239f1f1389d031b37e6705eb431c4a535e90203e95bdea

Aliases

arxiv: 2403.06732 · arxiv_version: 2403.06732v2 · doi: 10.48550/arxiv.2403.06732 · pith_short_12: 4DL3MQO2SQ4K · pith_short_16: 4DL3MQO2SQ4KOQZD · pith_short_8: 4DL3MQO2

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/4DL3MQO2SQ4KOQZDT4PRHCOQGG \
  | 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: e0d7b641da9438a743239f1f1389d031b37e6705eb431c4a535e90203e95bdea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4800e2f96de32db2b1e25fb5556799eaf940ea92c0d58512f89b735cf2f26d2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-03-11T13:53:12Z",
    "title_canon_sha256": "705788a726101f08ef6753c246180ca1043da4177807744f33ab2025f57b4f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.06732",
    "kind": "arxiv",
    "version": 2
  }
}