Pith Number

pith:OFS4YJQO

pith:2023:OFS4YJQO3UEDZA6QRLVN3S2JXU

not attested not anchored not stored refs pending

Guaranteed Stable Quadratic Models and their applications in SINDy and Operator Inference

Igor Pontes Duff, Pawan Goyal, Peter Benner

arxiv:2308.13819 v2 · 2023-08-26 · cs.LG · cs.NA · math.DS · math.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{OFS4YJQO3UEDZA6QRLVN3S2JXU}

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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

Non-intrusive reduced-order modeling for dynamical systems with spatially localized features

Receipt and verification

First computed	2026-07-05T07:30:52.613449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7165cc260edd083c83d08aeaddcb49bd0dc6385a3e3e98829f686fb6a22dd4de

Aliases

arxiv: 2308.13819 · arxiv_version: 2308.13819v2 · doi: 10.48550/arxiv.2308.13819 · pith_short_12: OFS4YJQO3UED · pith_short_16: OFS4YJQO3UEDZA6Q · pith_short_8: OFS4YJQO

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/OFS4YJQO3UEDZA6QRLVN3S2JXU \
  | 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: 7165cc260edd083c83d08aeaddcb49bd0dc6385a3e3e98829f686fb6a22dd4de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d06e8d28e13af76c4a8c66f54929a932bd7e43cb0ad58535b1e3f6804c6392e",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DS",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-08-26T09:00:31Z",
    "title_canon_sha256": "f12933543b02350cabece8d037fb293a5ce71902d2cd18590a6648d6934b289b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.13819",
    "kind": "arxiv",
    "version": 2
  }
}