Pith Number

pith:JJ6FQRZ6

pith:2019:JJ6FQRZ6DI7YW7DPQMISV7RUZL

not attested not anchored not stored refs pending

A Separation Principle for Discrete-Time Fractional-Order Dynamical Systems and its Implications to Closed-loop Neurotechnology

Orlando Romero, Sarthak Chatterjee, S\'ergio Pequito

arxiv:1903.00981 v1 · 2019-03-03 · math.OC · cs.SY · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJ6FQRZ6DI7YW7DPQMISV7RUZL}

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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	2026-05-17T23:52:12.626110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7c58473e1a3f8b7c6f83112afe34cafa2aa479fb07ba60ea5b3469be3093cd

Aliases

arxiv: 1903.00981 · arxiv_version: 1903.00981v1 · doi: 10.48550/arxiv.1903.00981 · pith_short_12: JJ6FQRZ6DI7Y · pith_short_16: JJ6FQRZ6DI7YW7DP · pith_short_8: JJ6FQRZ6

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/JJ6FQRZ6DI7YW7DPQMISV7RUZL \
  | 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: 4a7c58473e1a3f8b7c6f83112afe34cafa2aa479fb07ba60ea5b3469be3093cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e8d250555a0e6e57a33ef3ec4fe705ada30612a9f9b81e8b8598f80daef6ee",
    "cross_cats_sorted": [
      "cs.SY",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-03T20:20:32Z",
    "title_canon_sha256": "810c13617095852789b616aeea0710f358551d664ce546a66cd3630d96b55e54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00981",
    "kind": "arxiv",
    "version": 1
  }
}