This is the academically citable, open-access companion to the printed monograph "Enticuant: Book IX of the RCD 2.0 Program — Five Chapters on Coherence: Geometry, Thermodynamics, and Empirical Law" (Arturo Cerezo García, Quantum Benchmark Insights, May 2026, ISBN-13 979-8195474782). Book IX of the RCD 2.0 program (Radial Coherential Dynamics) introduces and consolidates a new conceptual term — the enticuant — and gathers five chapters that the program took two years to earn. Not by speculation. By measurement, by calculation, by verification across multiple independent quantum hardware platforms. The enticuant names what the coherential field C(x,t) becomes when it crosses from formal scalar to operational object: when its decoherence is organized by the Hamming distance, when its irreversibility is measured on real quantum machines, when its geometric counterpart in disformal gravity is bounded by mathematical theorem. Five chapters, five verbs: — RELOCATE: GHZ entanglement is moved from theoretical center to coherential limit (Chapter VI), based on a five-platform validation campaign on IBM Heron, IonQ Forte, Rigetti Ankaa-3, IQM Garnet, and IQM Emerald. — SITUATE: RCD is positioned with respect to the Standard Model (Chapter VII), declaring four explicit walls the program does not cross. — NAME: The Coherential Hamming Law (Chapter VIII), a transversal empirical regularity verified on five quantum architectures with statistical significance p ≈ 7×10⁻²⁷. — MEASURE: The first structured experimental measurement of the coherential component of irreversible entropy Ξ on commercial NISQ hardware (Chapter IX), with a six-point curve on IBM ibm_fez. — PROVE: A mathematical theorem of disformal subluminality with dust (Chapter X), demonstrating that the scalar sound speed in DHOST gravity is subluminal in any astrophysically relevant environment, with explicit GW170817 compatibility. Each chapter integrates a guest voice — Hamming, Heraclitus, Boltzmann, Newton, Lao Tzu, Vera Rubin, and others — acknowledging the program's debt to twenty-five centuries of rigorous thought. The complete book consists of: Threshold, Foreword, Prologue ("La Idea Antes de la Idea"), and ten integrated chapters (I — The Coherential Field; II — Coherential Perturbations; III — Gravitational Coupling; IV — The Enticuant; V — Geodesometry of Coherence; VI — GHZ as Coherential Limit; VII — Two Scalar Fields; VIII — Coherential Hamming Law; IX — Thermodynamics of Coherence; X — Geometry of Coherence). All raw experimental data referenced in the book is publicly deposited on Zenodo. The measurement remains the arbiter. Five chapters, five verbs: Relocate · Situate · Name · Measure · Prove. This Zenodo deposit makes the full text openly available under CC-BY 4.0 alongside the printed paperback edition, enabling academic citation, indexing in OpenAIRE, and integration into the broader RCD 2.0 program registry on Zenodo.
This is the academically citable, open-access companion to the printed monograph "Enticuant: Book IX of the RCD 2.0 Program — Five Chapters on Coherence: Geometry, Thermodynamics, and Empirical Law" (Arturo Cerezo García, Quantum Benchmark Insights, May 2026, ISBN-13 979-8195474782). Book IX of the RCD 2.0 program (Radial Coherential Dynamics) introduces and consolidates a new conceptual term — the enticuant — and gathers five chapters that the program took two years to earn. Not by speculation. By measurement, by calculation, by verification across multiple independent quantum hardware platforms. The enticuant names what the coherential field C(x,t) becomes when it crosses from formal scalar to operational object: when its decoherence is organized by the Hamming distance, when its irreversibility is measured on real quantum machines, when its geometric counterpart in disformal gravity is bounded by mathematical theorem. Five chapters, five verbs: — RELOCATE: GHZ entanglement is moved from theoretical center to coherential limit (Chapter VI), based on a five-platform validation campaign on IBM Heron, IonQ Forte, Rigetti Ankaa-3, IQM Garnet, and IQM Emerald. — SITUATE: RCD is positioned with respect to the Standard Model (Chapter VII), declaring four explicit walls the program does not cross. — NAME: The Coherential Hamming Law (Chapter VIII), a transversal empirical regularity verified on five quantum architectures with statistical significance p ≈ 7×10⁻²⁷. — MEASURE: The first structured experimental measurement of the coherential component of irreversible entropy Ξ on commercial NISQ hardware (Chapter IX), with a six-point curve on IBM ibm_fez. — PROVE: A mathematical theorem of disformal subluminality with dust (Chapter X), demonstrating that the scalar sound speed in DHOST gravity is subluminal in any astrophysically relevant environment, with explicit GW170817 compatibility. Each chapter integrates a guest voice — Hamming, Heraclitus, Boltzmann, Newton, Lao Tzu, Vera Rubin, and others — acknowledging the program's debt to twenty-five centuries of rigorous thought. The complete book consists of: Threshold, Foreword, Prologue ("La Idea Antes de la Idea"), and ten integrated chapters (I — The Coherential Field; II — Coherential Perturbations; III — Gravitational Coupling; IV — The Enticuant; V — Geodesometry of Coherence; VI — GHZ as Coherential Limit; VII — Two Scalar Fields; VIII — Coherential Hamming Law; IX — Thermodynamics of Coherence; X — Geometry of Coherence). All raw experimental data referenced in the book is publicly deposited on Zenodo. The measurement remains the arbiter. Five chapters, five verbs: Relocate · Situate · Name · Measure · Prove. This Zenodo deposit makes the full text openly available under CC-BY 4.0 alongside the printed paperback edition, enabling academic citation, indexing in OpenAIRE, and integration into the broader RCD 2.0 program registry on Zenodo.
El Libro IX consolida la fase operativa del programa RCD 2.0 (Radial Coherential Dynamics), un programa independiente de investigación en física teórica articulado bajo Quantum Benchmark Insights por Arturo Cerezo García. Trece capítulos articulan cinco verbos del programa: reubicar, ubicar, nombrar, medir y demostrar. — El estado GHZ se reubica de pieza central a límite coherencial (Cap VI).— RCD se ubica respecto al Modelo Estándar como capa escalar complementaria, no competidora (Cap VII).— La regularidad cross-platform observada en cinco arquitecturas cuánticas (IBM Heron, IonQ Forte, Rigetti Ankaa-3, IQM Garnet, IQM Emerald) con significancia estadística p = 7.17 × 10⁻²⁷ se nombra como Ley de Hamming coherencial (Cap VIII).— La componente coherencial de la entropía irreversible Ξ (Francica, Goold, Plastina 2019) se mide en IBM ibm_fez con curva estructurada de seis puntos y tres regiones (encendido sostenido, transición, apagado práctico) (Cap IX).— La subluminalidad del modo escalar disformal con polvo se demuestra matemáticamente, en compatibilidad explícita con GW170817 al nivel de fondo (Cap X). El Núcleo Mínimo Operativo del programa queda articulado en cinco objetos: el campo coherencial C(x,t), el acoplamiento α ≈ 10⁻⁴, el observable termodinámico Ξ, la distancia de Hamming d_H, y el índice disformal D_X. Acompañan al texto técnico cuarenta y dos voces antiguas y modernas —de Demócrito y Heráclito a Hamming, Vera Rubin, Lao Tzu y Lev Landau— que sostienen el contexto histórico-filosófico del programa y articulan su disciplina epistemológica. El Libro IX articula con precisión qué afirma y qué no afirma todavía cada capítulo, manteniendo el contrato metodológico del programa: la medición es el árbitro, la teoría se supedita al dato, los horizontes futuros se nombran sin postularse como resultados. Este volumen se publica simultáneamente en Zenodo (acceso abierto, DOI propio) y en Amazon Kindle (formato eBook, ISBN/ASIN propio), bajo licencia Creative Commons Attribution 4.0 International (CC BY 4.0). Programa: RCD 2.0 — Quantum Benchmark InsightsAutor: Arturo Cerezo GarcíaORCID: 0009-0007-4739-4990Sitio: https://orcid.org/0009-0007-4739-4990
Book IV — Persistence is part of the Radial Coherential Dynamics (RCD) research program and focuses on the physical conditions under which coherence and order can persist in open systems subject to noise and dissipation. Building on cross-platform experimental results obtained in January 2026—where GHZ entangled states exhibited approximately 50% improved coherence retention across incompatible quantum hardware—this book introduces the concept of structural persistence: the idea that certain correlation geometries resist decoherence not by isolation or active correction, but by minimizing their entropic attack surface. The work reframes the central question from “How do we create coherence?” to “What kinds of coherence can survive?” and examines three interconnected elements:(i) empirical persistence thresholds (e.g., the observed ~99.5% fidelity threshold),(ii) thermodynamic openness via entropy sinks (including the cosmological horizon), and(iii) the role of state geometry in optimizing dissipation. No new experiments are presented. Instead, the book consolidates existing data, evaluates compatibility with established physics (Landauer’s principle, Gibbons–Hawking thermodynamics, Jacobson’s derivation of gravity), and explicitly delineates what is known, hypothesized, and not yet derived. Book IV does not claim a new theory of gravity, consciousness, or cosmology. It establishes a disciplined conceptual framework and a falsifiable research program, identifying open gaps and proposing concrete directions for future experimental and theoretical tests. This volume emphasizes methodological modesty: compatibility is not proof, but without compatibility, no path forward exists.
REGISTRATION PREPRINT NOTE This record is the formal abstract (v0.2) announcing the CoherentialHamming Law, a named operational regularity for Hamming-distancecoherence decay in multi-qubit quantum hardware under localindependent dephasing. The full paper — including per-platform experimental tables, sixfigures, methodology section, complete statistical analysis, andreferences list — is in preparation and will be submitted toQuantum (the open journal for quantum science) as primary targetand Physical Review Research as secondary target within 2026 Q2. The theoretical foundations (Hamming Decay Theorem, bridge D_K → d_H)are available in the author's prior work:— P0/GHZ-Bridge v2.0 (DOI: 10.5281/zenodo.19009933)— P1 v1.1 (DOI: 10.5281/zenodo.19020842)— P1-bis v1.0 (March 2026) Raw cross-platform experimental data supporting the validation areavailable in:— GHZ Cross-Platform v4.1 PLATINUM (DOI: 10.5281/zenodo.18307211) This abstract establishes the formal naming and operational framingof the Coherential Hamming Law. The full paper will provide thecomplete experimental and statistical expedient.
The Field That Learns to Look at Itself is Book X of the RCD 2.0 — Radial Coherential Dynamics — program. This English-language volume stands at the intersection of scientific essay, research notebook, philosophy of physics, and methodological audit of an independent research program in development. The book documents a critical stage in the RCD program: the transition from a broad intuition about coherence, time, and the emergence of structure toward a stricter formulation capable of distinguishing between metaphor, evidence, operationalization, hypothesis, prediction, and speculation. It does not present a closed physical theory or a final promise of unification. Its central purpose is to record the moment in which an idea learns to look at itself: to recognize its limits, separate its levels of discourse, and submit its claims to criteria of falsifiability. The central question running through the volume is whether coherence can function as a guiding concept for thinking about the transition between reversible quantum structure — phase, superposition, interference, and measurement — and the appearance of stable records, effective boundaries, ordered time, and macroscopic structure. Throughout the book, several meanings of the word “coherence” are examined, while warning against the risk of treating them as if they named a single physical object. In particular, the book distinguishes strict quantum coherence, GHZ population retention, thermodynamic witnesses, the effective field C, domain formation, operational coupling modulations, and coherence as a guiding idea or philosophical metaphor. This distinction becomes one of the technical and ethical axes of the volume: not everything that shares a word shares the same physics. The book also records an important internal correction of the RCD program: RCD should not derive gravity, spacetime, or fundamental cosmology directly from a late-time effective kernel. Instead, the volume proposes a more sober reading: preserve what has operational support, separate levels of evidence carefully, and keep open only those routes that can be formulated through observables, numerical predictions, and possible tests of refutation. As part of the public RCD record, The Field That Learns to Look at Itself serves a double function. On one hand, it preserves the conceptual and literary dimension of the research: the intuition that coherence, understood rigorously and without equivocation, may offer a way of thinking about the passage from reversible possibility to stable record. On the other hand, it functions as a methodological act: a warning against false confirmation, ambiguous language, improper transfer of evidence between sectors, and the temptation to turn a fertile analogy into an unproven physical identity. This version corresponds to edition 1.0 of Book X in English. It should be read as a companion volume to the Spanish edition and to the public set of RCD preprints, technical notes, and research records deposited on Zenodo, especially those related to quantum coherence, Allen–Cahn/Wright–Fisher effective kernels, operational influence fronts, OTOC, emergence of effective time, and adversarial audit of hypotheses. Work by Arturo Cerezo García, Quantum Benchmark Insights, Naucalpan, Mexico, 2026.
This document presents version 1.8 of Radial Coherential Dynamics (RCD), providing computational evidence from real-world datasets across cosmology, quantum decoherence, neural synchronization, and gravitational-wave physics. RCD v1.8 evaluates whether the predictions of the master equation ∂C∂r+2rC+λr(1−C)=0\frac{\partial C}{\partial r} + \frac{2}{r}C + \lambda_r (1 - C) = 0∂r∂C+r2C+λr(1−C)=0 match empirical relaxation, suppression, and coherence patterns observed across more than sixty orders of magnitude. This version includes: Updated measurements of the CMB quadrupole (Planck PR4, Cea 2022, Herold 2025). Decoherence times from superconducting cavities (Weizmann 2023; Reagor et al. 2016). Neural synchronization thresholds (HCP, meditation, anesthesia, psychedelic states). Gravitational-wave ringdown values from GW150914. A statistical analysis showing multi-domain agreement with RCD predictions. Reproducible Python code for fitting, regression, and parameter extraction. RCD v1.8 is published under a non-commercial, open-science ethos, with complete transparency and reproducibility. All numerical values and comparisons are derived from publicly available data.
Programme-level position paper. This document records the 2026 reframing of the Radial Coherential Dynamics (RCD) programme after a genealogical and adversarial audit. It states what was closed, what survived, and the reframed frontier question. It claims no new physics. The evidence is carried by two companion deposits: the genealogical-audit case study "From Substrate to Relational" (DOI 10.5281/zenodo.21141602) and the MERIDIANO-v1 technical record with its reproducibility bundle (all versions: DOI 10.5281/zenodo.21142230). Four closures are registered with their instruments: (i) the coherence substrate lost operative physical status along three independent routes — buried as a physical claim, not refuted as a metaphysical possibility; (ii) the coupling rule J = J0·sqrt(Ci·Cj) was identified as an exact algebraic rewriting of a standard dispersive circuit-QED coupling; (iii) MERIDIANO-v1 returned INDETERMINATE-by-size at L = 12, after correcting a frictionless four-model NO-GO consensus (a documented instance of "cheap deflation"); (iv) the classical coupling of C to curvature remains closed by its own kill switch. What survives is labelled by epistemic status, including one falsifiable proprietary question — whether Wright–Fisher-class coupling landscapes carry a many-body fingerprint distinguishable from spectrum-matched surrogates — which cannot, in either outcome, promote C to a physical field. The centre of the programme is relocated from an ontological assertion to a frontier question with its own pre-declared death condition. No experiment is launched by this paper.