Pith Number

pith:WJWUO5UH

pith:2018:WJWUO5UHSCRGUWXP7LLWMI5ESL

not attested not anchored not stored refs pending

Sparse Identification of Nonlinear Dynamics for Rapid Model Recovery

J. Nathan Kutz, Markus Abel, Markus Quade, Steven L. Brunton

arxiv:1803.00894 v2 · 2018-03-02 · physics.data-an · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJWUO5UHSCRGUWXP7LLWMI5ESL}

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.

Receipt and verification

First computed	2026-05-18T00:09:15.880919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b26d47768790a26a5aeffad76623a492e1140a9674bd9c709beff382b35f6fb5

Aliases

arxiv: 1803.00894 · arxiv_version: 1803.00894v2 · doi: 10.48550/arxiv.1803.00894 · pith_short_12: WJWUO5UHSCRG · pith_short_16: WJWUO5UHSCRGUWXP · pith_short_8: WJWUO5UH

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/WJWUO5UHSCRGUWXP7LLWMI5ESL \
  | 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: b26d47768790a26a5aeffad76623a492e1140a9674bd9c709beff382b35f6fb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae90c411435c8070f3654dd57abb4e451ff0626d0c29dcdf8446f89fa0d513c5",
    "cross_cats_sorted": [
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2018-03-02T15:29:49Z",
    "title_canon_sha256": "bca10da6d5dae287d43207391393a6d953426032cc97e46f41f7c1865aeb9757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00894",
    "kind": "arxiv",
    "version": 2
  }
}