Pith Number

pith:V6B6KZZ4

pith:2026:V6B6KZZ46KT7FXAO7Y5VC5I37O

not attested not anchored not stored refs pending

Revisiting Certainty Equivalence: The Structural Coupling Between Estimation and Control in Underactuated Nonlinear Systems

Daniel Engelsman, Itzik Klein

arxiv:2607.07276 v1 · 2026-07-08 · 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{V6B6KZZ46KT7FXAO7Y5VC5I37O}

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	2026-07-09T01:20:19.658414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af83e5673cf2a7f2dc0efe3b51751bfb9e38e37b163bb7424108499c24131811

Aliases

arxiv: 2607.07276 · arxiv_version: 2607.07276v1 · doi: 10.48550/arxiv.2607.07276 · pith_short_12: V6B6KZZ46KT7 · pith_short_16: V6B6KZZ46KT7FXAO · pith_short_8: V6B6KZZ4

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/V6B6KZZ46KT7FXAO7Y5VC5I37O \
  | 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: af83e5673cf2a7f2dc0efe3b51751bfb9e38e37b163bb7424108499c24131811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fec54c94fca2445d8459dcd0a3b9b09cf7a762a3a5b5de331962a92ce0f8212b",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-07-08T11:07:22Z",
    "title_canon_sha256": "09d31937515a6f7905f4208bf6c13bf44ae526cad41739431f52487bd5269ad4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07276",
    "kind": "arxiv",
    "version": 1
  }
}