Pith Number

pith:354QMPOO

pith:2020:354QMPOOYUFG4SZG5ALRCUWXOV

not attested not anchored not stored refs pending

Sampling and Inference of Networked Dynamics using Log-Koopman Nonlinear Graph Fourier Transform

Bin Li, Chengyao Sun, Weisi Guo, Zhuangkun Wei

arxiv:2004.09615 v2 · 2020-04-20 · cs.IT · eess.SP · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{354QMPOOYUFG4SZG5ALRCUWXOV}

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	2026-07-05T01:55:50.810940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df79063dcec50a6e4b26e8171152d7754d3b24a6c07b669a076b13c9059daa5d

Aliases

arxiv: 2004.09615 · arxiv_version: 2004.09615v2 · doi: 10.48550/arxiv.2004.09615 · pith_short_12: 354QMPOOYUFG · pith_short_16: 354QMPOOYUFG4SZG · pith_short_8: 354QMPOO

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/354QMPOOYUFG4SZG5ALRCUWXOV \
  | 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: df79063dcec50a6e4b26e8171152d7754d3b24a6c07b669a076b13c9059daa5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f915fe6fcd3d574de67edca71cdfc3bfe076af65d131225513122f7fd01ea78",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-04-20T20:28:04Z",
    "title_canon_sha256": "2fcebe1af20f6a96df6743fc036858ebb3e068c4373db5d082de78cc017d8e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09615",
    "kind": "arxiv",
    "version": 2
  }
}