Pith Number

pith:MMFKWJEE

pith:2021:MMFKWJEE5RYYZHT7MX77NGJ5KQ

not attested not anchored not stored refs pending

PySINDy: A comprehensive Python package for robust sparse system identification

Alan A. Kaptanoglu, Andy J. Goldschmidt, Brian M. de Silva, Charles B. Delahunt, Jared L. Callaham, Jean-Christophe Loiseau, J. Nathan Kutz, Kadierdan Kaheman, Kathleen Champion, Steven L. Brunton, Urban Fasel, Zachary G. Nicolaou

arxiv:2111.08481 v2 · 2021-11-12 · eess.SY · cs.LG · cs.SY · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMFKWJEE5RYYZHT7MX77NGJ5KQ}

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

2 papers in Pith

Multi-Fidelity Learning with Shallow Recurrent Decoders for Multi-Physics Applications

Physics-based Digital Twins for Integrated Thermal Energy Systems Using Active Learning

Receipt and verification

First computed	2026-07-05T03:52:32.824846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

630aab2484ec718c9e7f65fff6993d541c601da51c21dea7695a4e0329af37a2

Aliases

arxiv: 2111.08481 · arxiv_version: 2111.08481v2 · doi: 10.48550/arxiv.2111.08481 · pith_short_12: MMFKWJEE5RYY · pith_short_16: MMFKWJEE5RYYZHT7 · pith_short_8: MMFKWJEE

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/MMFKWJEE5RYYZHT7MX77NGJ5KQ \
  | 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: 630aab2484ec718c9e7f65fff6993d541c601da51c21dea7695a4e0329af37a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a87dd319ee7de38baf34da5cd381c9f0f482f75889b02cce43df9221f25be54a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-11-12T19:01:23Z",
    "title_canon_sha256": "5c998222ef949bde3e42a978d96cb635a8b05cd9fbfb4f6054a7c1b7b2bcb68c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08481",
    "kind": "arxiv",
    "version": 2
  }
}