Pith Number

pith:72PPTXZZ

pith:2018:72PPTXZZ26T3IE4J3G7LSRQPST

not attested not anchored not stored refs pending

Model selection for hybrid dynamical systems via sparse regression

J Nathan Kutz, Joshua L Proctor, Niall M Mangan, Steven L Brunton, Travis Askham

arxiv:1808.03251 v1 · 2018-08-09 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72PPTXZZ26T3IE4J3G7LSRQPST}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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

SINDybrid: automatic generation of hybrid models for dynamic systems

Receipt and verification

First computed	2026-05-17T23:43:04.761010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9ef9df39d7a7b41389d9beb9460f94d06ed670dc85cbab1c61d810fd995a22

Aliases

arxiv: 1808.03251 · arxiv_version: 1808.03251v1 · doi: 10.48550/arxiv.1808.03251 · pith_short_12: 72PPTXZZ26T3 · pith_short_16: 72PPTXZZ26T3IE4J · pith_short_8: 72PPTXZZ

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/72PPTXZZ26T3IE4J3G7LSRQPST \
  | 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: fe9ef9df39d7a7b41389d9beb9460f94d06ed670dc85cbab1c61d810fd995a22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a40ab215574b519d4d7276a5ea1ae8c944089513b0c2edbe1e2a24578465404",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-08-09T17:33:36Z",
    "title_canon_sha256": "50772a2891488241c521fec7f97d32395e339ad92c6647a97ea40fe1e821a2ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03251",
    "kind": "arxiv",
    "version": 1
  }
}