Pith Number

pith:C334HC7U

pith:2025:C334HC7UTVWMPMOW45MVFPPWUV

not attested not anchored not stored refs pending

Design of Input-Output Observers for a Population of Systems with Bounded Frequency-Domain Variation using $DK$-iteration

James Richard Forbes, Timothy Everett Adams

arxiv:2509.07201 v2 · 2025-09-08 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C334HC7UTVWMPMOW45MVFPPWUV}

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	2026-06-30T00:15:07.755239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16f7c38bf49d6cc7b1d6e75952bdf6a553e909ac9c1de96dd00e9b70f7ae5505

Aliases

arxiv: 2509.07201 · arxiv_version: 2509.07201v2 · doi: 10.48550/arxiv.2509.07201 · pith_short_12: C334HC7UTVWM · pith_short_16: C334HC7UTVWMPMOW · pith_short_8: C334HC7U

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/C334HC7UTVWMPMOW45MVFPPWUV \
  | 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: 16f7c38bf49d6cc7b1d6e75952bdf6a553e909ac9c1de96dd00e9b70f7ae5505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04b5850d712675ace5d30e34520a9fbca9770ea75ec5e1b61850f463068cb99c",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-09-08T20:32:22Z",
    "title_canon_sha256": "61c0eaf9a786fe4776914adfb40bddcceb3dd66e6e65450825542c295e72f53f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.07201",
    "kind": "arxiv",
    "version": 2
  }
}