Pith Number

pith:YNHSFPBD

pith:2015:YNHSFPBDIUWURP2MWJ5IU6KSGX

not attested not anchored not stored refs pending

De-Biasing the Dynamic Mode Decomposition for Applied Koopman Spectral Analysis

Clarence W. Rowley, Eric A. Deem, Louis N. Cattafesta, Maziar S. Hemati

arxiv:1502.03854 v2 · 2015-02-12 · physics.flu-dyn · math.DS · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNHSFPBDIUWURP2MWJ5IU6KSGX}

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	2026-05-18T00:40:28.978389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c34f22bc23452d48bf4cb27a8a795235feba9ed08bc9335f75c11b523c3ae95a

Aliases

arxiv: 1502.03854 · arxiv_version: 1502.03854v2 · doi: 10.48550/arxiv.1502.03854 · pith_short_12: YNHSFPBDIUWU · pith_short_16: YNHSFPBDIUWURP2M · pith_short_8: YNHSFPBD

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/YNHSFPBDIUWURP2MWJ5IU6KSGX \
  | 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: c34f22bc23452d48bf4cb27a8a795235feba9ed08bc9335f75c11b523c3ae95a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a963bc0f93361350e6e981516ef3b708624cdea50f8364cb29fd7d9b8b338e50",
    "cross_cats_sorted": [
      "math.DS",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-02-12T23:09:21Z",
    "title_canon_sha256": "2eabbc82b0bfa339c798ed6caf36a52c300a6522ff9cbd8c463fe18ab2d519ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03854",
    "kind": "arxiv",
    "version": 2
  }
}