Pith Number

pith:G7XEGZXU

pith:2018:G7XEGZXUJYXS7IIYH3V64VESTC

not attested not anchored not stored refs pending

Data-driven Spatiotemporal Modal Decomposition for Time Frequency Analysis

Bingni W. Brunton, J. Nathan Kutz, Seth M. Hirsh

arxiv:1806.08739 v1 · 2018-06-22 · math.NA · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7XEGZXUJYXS7IIYH3V64VESTC}

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	2026-05-18T00:12:36.257206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37ee4366f44e2f2fa1183eebee549298820969b2de94ce71fc2b9d0b3eaeefab

Aliases

arxiv: 1806.08739 · arxiv_version: 1806.08739v1 · doi: 10.48550/arxiv.1806.08739 · pith_short_12: G7XEGZXUJYXS · pith_short_16: G7XEGZXUJYXS7IIY · pith_short_8: G7XEGZXU

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/G7XEGZXUJYXS7IIYH3V64VESTC \
  | 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: 37ee4366f44e2f2fa1183eebee549298820969b2de94ce71fc2b9d0b3eaeefab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db1fde9a8652f43bd543bd5b1052ee723c0cdd92aab8f8e39ae3044a310e6013",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-22T16:00:58Z",
    "title_canon_sha256": "274e9c24c0732e9f23e50658b9428b3374bb4532f3d659c7bc4b2cec1321fb44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08739",
    "kind": "arxiv",
    "version": 1
  }
}