Pith Number

pith:55JNZL3I

pith:2018:55JNZL3ITZ45K4MPHOZLVCVATM

not attested not anchored not stored refs pending

A data-driven Koopman model predictive control framework for nonlinear flows

Hassan Arbabi, Igor Mezic, Milan Korda

arxiv:1804.05291 v2 · 2018-04-15 · 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{55JNZL3ITZ45K4MPHOZLVCVATM}

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	2026-05-18T00:13:59.961809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef52dcaf689e79d5718f3bb2ba8aa09b37c03b1ee7a0ffc3f899c810f3741877

Aliases

arxiv: 1804.05291 · arxiv_version: 1804.05291v2 · doi: 10.48550/arxiv.1804.05291 · pith_short_12: 55JNZL3ITZ45 · pith_short_16: 55JNZL3ITZ45K4MP · pith_short_8: 55JNZL3I

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/55JNZL3ITZ45K4MPHOZLVCVATM \
  | 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: ef52dcaf689e79d5718f3bb2ba8aa09b37c03b1ee7a0ffc3f899c810f3741877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a51cf97a4634db4ecdc22fff8cd6103b8bfc7a7693effd127d02d3551e4b8065",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-04-15T00:25:13Z",
    "title_canon_sha256": "79a3431f7ea991757b1c23d3255c26c9fbc331aaddf6aa7f35c3b211bc7307fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05291",
    "kind": "arxiv",
    "version": 2
  }
}