Pith Number

pith:2KZTRSI5

pith:2026:2KZTRSI56SQ56RCOJ5YLANUTJI

not attested not anchored not stored refs pending

fSRD: Fuzzy Spectral Region Decomposition -- Automated Multi Operator Koopman Representations via an Adaptive Spectral Learning Architecture

Charles Bokor, Denise Morrey, Fabrizio Bonatesta, Mark Cary

arxiv:2607.17990 v1 · 2026-07-20 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KZTRSI56SQ56RCOJ5YLANUTJI}

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	2026-07-21T02:22:10.753927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b338c91df4a1df444e4f70b036934a336afb16473ef4b77bd241e0e3478cb1

Aliases

arxiv: 2607.17990 · arxiv_version: 2607.17990v1 · doi: 10.48550/arxiv.2607.17990 · pith_short_12: 2KZTRSI56SQ5 · pith_short_16: 2KZTRSI56SQ56RCO · pith_short_8: 2KZTRSI5

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/2KZTRSI56SQ56RCOJ5YLANUTJI \
  | 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: d2b338c91df4a1df444e4f70b036934a336afb16473ef4b77bd241e0e3478cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6733559573ed204ad0eea4529e860768da6259b072f9bf7ab7ae370288ba7e5d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-20T14:21:06Z",
    "title_canon_sha256": "45e8b8f9e6f8327f98d3061e14634aa1035a82a8732a9dcad6afe2e9f6b0e826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17990",
    "kind": "arxiv",
    "version": 1
  }
}