Digital Commons Network^™

Event-Resolved Rqdf Characterisation Of Berea Sandstone: Distinguishing Pore-Structure Similarity From Scale-Dependent Variability, Walid Mohamed Mahmud

Platform: A Journal of Engineering

This paper applies the Rate-Controlled-Porosimetry Quantitative Descriptor Framework (RQDF) to four Berea sandstone core plugs. Events were identified using an automated, prominence-based detection algorithm, which was validated against an independently documented manual event count for two of the four plugs. The finding is an empirical shape-scale separation among these four plugs. Descriptors that are invariant by construction under rescaling of the underlying pore-size distributions, namely event-size entropy, distributional and power-law exponents, and curve-region saturation boundaries, reproduce across the four plugs with a coefficient of variation below 8%. Median effective capillary-equivalent pore-throat radius is also stable at this level (CV about …

Experimental Investigation Of Copper And Manganese Additions On The Performance Of Magnesium Alloys For Biomedical Applications, Ahmad Syahim Aiman Che Jalal, Mahani Yusoff

Platform: A Journal of Engineering

Magnesium (Mg) alloy is a novel biomedical material for medical implants due to its biodegradability and high biocompatibility. Manganese (Mn) is added to this alloy to enhance its corrosion resistance, given Mg’s low corrosion resistance, while copper (Cu) contributes antibacterial properties. This study investigates the potential of Mg-Mn-Cu alloy as a biodegradable material for biomedical implants. The alloy’s enhanced corrosion resistance and antibacterial properties were evaluated through high-energy ball milling, sintering, and antibacterial testing. The findings suggest that the Mg-Mn-Cu alloy is a promising biodegradable material due to its mechanical properties and biodegradability. Mg-Mn-Cu alloy shows potential as a novel …

Politics Of Maritime Security Governance: Institutional Fragmentation, Securitization And Community Engagement In Decentralized Border Area Of Indonesia, Suhirwan Suhirwan, Siswo Hadi Sumantri, Lukman Yudho Prakoso, Ahmad Gafuri Dohamid

Jurnal Wacana Politik

ABSTRACT. Decentralized archipelagic states face governance challenges in translating national security frameworks into localized institutional practices. This paper analyses the formalization of coastal community participation into maritime security governance in Batam, Indonesia through multi-layered political mechanisms. The study uses a qualitative case study design incorporating insights from securitization theory and multi-level governance frameworks. Data were collected between March and July 2025, comprising 18 semi-structured interviews, policy document analysis, mapping of institutional coordination, and field observations. The findings reveal a persistent multi-level securitization gap: national threat narratives, particularly those articulated in terms of sovereignty, have not been proportionally translated into regional …

Readiness Of Biology Teachers In West Palu District In Implementing The Deep Learning Approach In The Merdeka Curriculum, Mutia Mutia, Gamar Shamdas, Hayyatun Mawaddah, Rafiqa Rafiqa, Raya Agni, Musdalifah Nurdin

Jurnal Pendidikan Sains

This study aimed to examine the readiness of biology teachers in West Palu District to implement the deep learning approach within the Merdeka Curriculum and to identify factors associated with their readiness. A descriptive quantitative approach was employed, with data collected through questionnaires and interviews. The study involved all six biology teachers who were actively teaching at senior high schools in West Palu District. Teacher readiness was examined across cognitive, mental, and physical dimensions. The results indicated that the teachers were generally ready to very ready to implement the deep learning approach. Cognitive readiness was particularly high, with 60% of …

Preliminary Evidence Of Systems Thinking Skills In Gamelan-Based Ethnoscience Booklet-Integrated Collaborative Problem Solving, Ayu Nuryani Aprilia, Suciati Suciati

Jurnal Pendidikan Sains

Students’ systems thinking skills (STS) can be difficult to develop when science learning provides limited opportunities to connect relationships among system components with contextual phenomena. Integrating local wisdom into learning materials, such as a gamelan-based ethnoscience booklet, may provide a meaningful context for developing these skills. This study aimed to compare students’ STS performance, adjusted for pretest scores, between a class receiving Collaborative Problem Solving (CPS) instruction integrated with a gamelan-based ethnoscience booklet and a class receiving CPS instruction alone. This quantitative study employed a pretest–posttest control group design with class-level random allocation of treatment and involved 56 Grade VIII …

Economic Costs For Three Selected Water Quality Treatment Technologies, Dawoon Jeong, Debabrata Sahoo, Heather Nix, Sarah White

Forestry and Natural Resources

Maintaining water quality in surface waters, including ponds and irrigation reservoirs, is essential for safe water use and is challenging. Mitigating and reducing nutrient levels is critical for managing risks of harmful algal blooms for agricultural operations, municipal drinking water suppliers, stormwater managers, and other water resource professionals. This article presents economic information about three best management practices (BMPs) treatment technologies well-suited to improving water quality for agricultural operations and small pond owners.

Autism Spectrum Disorder Knowledge Among Pediatricians: A Cross-Sectional Study In Baghdad, Amina Saad Abdullah Dr., Zainab Ali Saleem Dr., May Abdullah Mohammed Dr., Dina Mahmood Thiab Dr., Hassan Z. Tark Dr., Ziad T. Abd Ali Dr.

Iraqi Postgraduate Medical Journal

BACKGROUND: Autism spectrum disorder is increasing worldwide; however, knowledge about it among health providers is still inadequate. OBJECTIVE: The study aims to assess the knowledge of the pediatricians (residents and specialists) regarding autism spectrum disorder. METHODS: A cross-sectional descriptive study design was conducted during December 2024. A total of 49 resident and specialist doctors (in pediatric specialty) who were working and/or studying at Children Welfare Hospital in Baghdad during the time period of the study were included. The participants completed the Knowledge about Childhood Autism among Healthcare Workers (KCAHW) questionnaire and some demographic questions during their activity meetings. RESULTS: The …

“Playing Mental Gymnastics”: Exploring Black Women College Athletes' Mental Health Experiences At Historically White Division I Universities, Ezinne D. Ofoegbu

Journal of Issues in Intercollegiate Athletics

Between 2002 and 2022, over 125 college athletes died by suicide, and Division I athletes represented 45% of these deaths. In 2023, Black women college athletes at Division I universities identified racism as a mental health stressor at a higher rate than their non-Black peers. The intersectional nature of social identities and athlete status may create gendered and racialized stressors that are uniquely experienced by Black women athletes. Given the underrepresentation of Black students (i.e., athletes and nonathletes), coaches, faculty, and staff at historically white institutions (HWIs), Black women athletes are likely navigating campus relationships and environments that are shaped …

Molecular Identification Of Tannase-Producing Microbiota From Punica Granatum L. Peel, Ulugbek A. Suyundikov, Quchqor O. Dodayev, Munavvar A. Yakhyayeva, Zahro R. Akhmedova Akhmedova

CHEMISTRY AND CHEMICAL ENGINEERING

Pomegranate (Punica granatum L.) is a rich source of bioactive compounds, including polyphenols, organic acids, and tannins. Pomegranate peel, a byproduct of processing, is of interest for microbiological research. The aim of this study was to produce the enzyme tannase and identify its microbiological producers. Results obtained using MALDI-TOF MS technology showed that fungi such as Aspergillus oryzae and Talaromyces albobiverticillius are the main producers with high enzymatic activity. The obtained scores (Aspergillus oryzae – 1,77; Talaromyces albobiverticillius – 2,33) confirm the reliability of the identification. Thus, the results of this study are of great importance for the selection of …

Preparation Of Liposomes And Evaluation Of Their Toxic Properties, Aygul M. Yarilkaganova, Oybek N. Ashirоv, Otabek U. Allaev, Nigora А. Tosheva, Shakhnoz S. Azimova

CHEMISTRY AND CHEMICAL ENGINEERING

Liposomes are nanoscale vesicular systems composed of phospholipid bilayers capable of encapsulating both hydrophilic and hydrophobic molecules. The present study investigates the effect of temperature and repeated freeze–thaw (F/T) cycles on liposomal size, polydispersity and evaluates their cytotoxicity on MDSK cell lines using the MTT assay. Liposomes were prepared by the reverse-phase evaporation method and hydrated at different temperatures (30, 40, 50, and 60 °C). The samples were subjected to multiple F/T cycles (1–9×) to study their particle size and polydispersity index (PDI) were analyzed using dynamic light scattering (DLS). Cytotoxicity was tested using the MTT method on MDSK cell …

Dft Study Of Vanadyl Acetylacetonate Complexes With Benzimidazole Derivatives And 2-Mercaptobenzothiazole, Xolida Jabborova, Shahlo Sh. Daminova

CHEMISTRY AND CHEMICAL ENGINEERING

The geometric and electronic structures of the mixed-ligand complexes [VO(AcAc)₂MBT], [VO(AcAc)₂AFBI] and [VO(AcAc)₂FBI] (MBT is 2-mercaptobenzothiazole, AFBI is 2-aminophenyl-1H-benzimidazole, FBI is 2-phenylmethyl-1H-benzimidazole) were studied by density functional theory ((U)B3LYP/6-311G(d,p)/LanL2DZ, Gaussian 09W). The MBT molecule was found to be planar, whereas in AFBI and FBI the NH group is coplanar with the imidazole ring. Analysis of effective atomic charges and molecular electrostatic potential maps shows that the pyridine-type nitrogen atoms of the imidazole and thiazole rings (q = −0.355 to −0.301 e) are the most probable coordination sites for the vanadyl ion. The HOMO–LUMO energy …

Innovation Policy Of The Fuel And Energy Complex Of The Republic Of Uzbekistan: A Conceptual Model And An Integral Assessment Of Sustainable Technological Development, Botir Sh. Usmonov, Jahongir B. Shukurillaev

CHEMISTRY AND CHEMICAL ENGINEERING

The competitiveness of a fuel and energy complex (FEC) increasingly depends less on resource endowment than on the capacity to generate, adopt and commercialise innovation. This paper develops a systemic conceptual model of innovative development for the FEC of the Republic of Uzbekistan and proposes a quantitative tool for its assessment. Drawing on national strategy documents, international-agency reports (IEA, IRENA, OECD) and the scholarly literature, the study applies systemic-structural analysis, international benchmarking, conceptual modelling and a composite-indicator method. The model represents the FEC as six interacting subsystems — state innovation policy, science and education, FEC enterprises, innovation infrastructure, digital transformation …

Simulation Of Adsorption Of Aqueous Solution Of Methylene Blue On A Composite Of Phthalocyanine And Zinc Oxide, Albert R. Koldarov, Mastura Kh. Aripova, Odilzhon E. Abdurakhmonov, Zuhra Ch. Kadirova

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of this work is to conduct a computer simulation of methylene blue adsorption from an aqueous solution onto a composite photocatalyst based on zinc oxide and zinc phthalocyanine. To understand the mechanisms of intermolecular interaction between the sorbates and the dominant crystal planes of the composite components, adsorption simulation was performed using the BIOVIA Adsorption Locator module. It is shown that the formation of the ZnO/ZnPc heterojunction promotes the synergistic stabilization of adsorbed molecules. The presence of the inorganic ZnO phase mitigates the electrostatic repulsion of chloride anions, ensuring the overall charge balance of the system, while the …

Catalytic Effect Of Metal Ions On The Oxidation Of Thiocyanate Ions With Hydrogen Peroxide, Sarvar B. Rajabov, Salmon M. Mukhammadiev, Berdakh T. Daniyarov, Haci Deveci, Shahlo Sh. Daminova

CHEMISTRY AND CHEMICAL ENGINEERING

Thiocyanate (SCN⁻) ions, formed during the cyanidation of gold ores, pose a significant environmental problem when present in mine processing wastewater. In this study, the oxidation of potassium thiocyanate model solutions (10–1000 mg/L) with hydrogen peroxide, in the presence and absence of Cu²⁺ and Fe²⁺ ions, was investigated at room temperature. Residual SCN⁻ concentrations were determined by bromatometric titration and UV-spectroscopy. Without a catalyst, H₂O₂ showed the weakest effect at all concentrations, leaving 6–17% residual SCN⁻ even at the highest applied dose. The addition of Cu²⁺ and Fe²⁺ ions markedly accelerated oxidation via …

Settling Method For Decolorization Of Low Molecular Weight Polyethylene, Adham E. Norkobilov, Ravshan I. Adilov, Bobur B. Aykhodjaev, Saparboy B. Yuldoshev, Lobar Sh. Kholmirzayeva

CHEMISTRY AND CHEMICAL ENGINEERING

This study investigates the bleaching of low molecular weight polyethylene (LMWPE) by the settling (sedimentation) method. LMWPE is a by-product of polyethylene production whose discoloration is associated with trace amounts of conjugated, oxidized, and polar micro-fractions. The research was conducted in three stages: selection of the appropriate sample grade, determination of the optimal settling time, and evaluation of the temperature effect on the settling process. Results showed that only Grade-1 LMWPE samples are suitable for the settling method; Grade-2 samples yielded insufficient results and are recommended for bentonite adsorption treatment instead. Optimal settling conditions were established as 150 °C for …

Structural And Physico-Mechanical Properties Of Geomembranes Based On Recycled Polyolefins Modified With Argillite From The Sherabad Deposit, Munisa N. Davronova, Furqat B. Eshkurbonov, Azim P. Khamidov, Asal A. Ashurova, Raykhona I. Abdullayeva

CHEMISTRY AND CHEMICAL ENGINEERING

This study investigated the effect of argillite, sourced from the local Sherabad deposit and modified with maleic anhydride, on the physical and mechanical properties of geomembranes based on recycled high-density polyethylene (r-HDPE), recycled low-density polyethylene (r-LDPE), and recycled polypropylene (r-PP). Maleic anhydride was used as a compatibilizer to ensure interfacial adhesion between the polymer matrix in the hydrophilic filler and the layered aluminosilicates, and to promote the uniform distribution of mineral particles. The experimental results showed that hybrid modification makes it possible to elevate the strength properties of all types of recycled polymers to the level of their virgin (pure) …

Physical-Chemical Properties Of Nmgca-Fertilizers Obtained On The Basis Of Ammonium Nitrate And Vermiculite, Madiyar J. Jabbarbergenov

CHEMISTRY AND CHEMICAL ENGINEERING

Although ammonium nitrate (AN) ranks second after urea among nitrogen fertilizers in terms of production and application volume, it remains the leading agent regarding plant nutrient uptake efficiency. This is primarily because nearly the entire total nitrogen content is assimilated in both ammonium (NH4+) and nitrate (NO3-) forms. However, the widespread agricultural utilization of AN is significantly constrained by several disadvantageous factors, including its physiological acidity, high hygroscopicity, caking tendency, low granule strength, thermal instability, and high explosive hazards. In this study, to enhance the commercial and physical-chemical properties of AN, a vermiculite mineral modifier was incorporated. The chemical composition …

Improved Electromechanical Response And Relaxor Ferroelectric Behavior In (76–X)Bi₁/₂Na₁/₂Tio₃–24srtio₃ Ceramics Modified With Bifeo₃ And Bialo₃, Muhammadali K. Nigmatjanov, Farrukh B. Erkinov, Shoira A. Kadirniyazova

CHEMISTRY AND CHEMICAL ENGINEERING

Piezoelectric ceramics are smart functional materials capable of converting mechanical energy into electrical energy and vice versa, making them indispensable for modern sensors, transducers, and precision actuators. Historically dominated by lead-containing materials like Pb(Zr,Ti)O₃ (PZT), strict environmental regulations and health concerns have driven an urgent global shift toward eco-friendly alternatives. Currently, bismuth sodium titanate (Bi₁/₂Na₁/₂TiO₃–BNT)-based solid solutions are at the forefront of lead-free piezoceramic trends due to their excellent polarization and electromechanical coupling properties. In this study, lead-free piezoelectric ceramics based on the (76–x)Bi₁/₂Na₁/₂TiO₃–24SrTiO₃ (BNST24) system were synthesized, and their structural, dielectric, and electromechanical properties were systematically investigated. This study …

Research Of The Binary Content Of Transition Metal Oxides Of Cu, Mo And W On The Properties Of Semi-Frit Glazes, Mihail V. Dyadenko, Ivan A. Levitskiy, Mastura Kh. Aripova

CHEMISTRY AND CHEMICAL ENGINEERING

The results of a study of the binary content of transition metal oxides CuO + MoO3; CuO + WO3 and a combination of MoO3 + WO3 on the physico-chemical properties of glaze coatings and their antibacterial activity are presented. A polycomponent raw material composition has been studied, including aluminum-sulfate high-calcium frit, the indicated antibacterial components, as well as feldspar, dolomite, and additives of alumina, quartz sand, kaolin, and refractory clay. Optimal technological modes of preparation of suspensions, their application to a ceramic base, followed by firing at a temperature of 1200 ± 5 ° C have been determined. Decorative, physico-chemical …

Elite Esports Players And Their Physical Health: A Systematic Review Of Injuries, Musculoskeletal Pain, And Fitness-Related Factors, Michal Steffl, Daniel Opelik, Vladimir Hlinka, Grzegorz Mikrut, Petra Hospodkova

Baltic Journal of Health and Physical Activity

Background: The rapid rise of competitive esports has sparked concerns over the physical health of elite players. Prolonged sedentary behaviour, repetitive movements, and poor ergonomic practices may predispose these athletes to injuries, musculoskeletal pain, and unfavourable body composition. Materials and methods: A systematic review following PRISMA guidelines was conducted by searching Pub-Med, Scopus, EBSCOhost, and Web of Science for cross-sectional studies on physical activity (PA), body composition, physical fitness, and musculoskeletal health in elite esports players. Data from 22 peer-reviewed studies involving 5,035 participants aged 16 to 35 were synthesized. Results: Findings consistently show that esports players engage in lower …

System And Method For Performing Online Review Verification Based On Payment Transaction Detail, Vivian Lau, Devin Farber Wylde, Ty Friedman, Nicholas Griffin, Ahmad Sheikh Khalil, Zakaria Sisalem, Syed Omar Ali

Defensive Publications Series

The present disclosure relates to a privacy-preserving system and method for verifying online reviews using payment network infrastructure to confirm that a reviewer is an actual paying customer. A review platform receives a review containing a token, a merchant and a date range and invokes a core verification API using an opaque review credential. The system employs a two-party pseudonymous identity bridging protocol that associates a one-way hashed platform identifier with a payment network token while ensuring that no entity has simultaneous access to both identities. The verification service then checks whether a transaction occurred between the token and the …

Elettrosfera - Electromagnetic Levitation Electric Generator And Kinetic Energy Battery, Federico G. Seregni

Defensive Publications Series

Elettrosfera is an innovative electromechanical power generation and kinetic energy storage system designed to operate autonomously in standard, isolated, or extreme environments. Unlike traditional vertical-axis or horizontal-axis turbines and flywheels that rely on physical shafts, mechanical bearings, and high-friction contact points, Elettrosfera utilizes a tridimensional magnetic levitation architecture operating within a conditioned environment.

Orbital Infrastructure, Electromagnetic Launch And Interplanetary Ecosystem: 137 Innovations Released Into The Public Domain, Xavier Pillet

Defensive Publications Series

This document, produced with the assistance of ChatGPT o3, Claude Opus 5 and Gemini 3, is released under the Apache License 2.0. It is a voluntary defensive publication (prior art) and therefore enters the prior art upon release under the applicable patent statutes : EPC Art. 54(2) (European Patent Convention), French IPC Art. L 611-11 (French Intellectual Property Code), 35 U.S.C. §102(a) (United States Patent Act), Chinese Patent Law Art. 22(5) (両匡丢氡儡吡嘡丣刡氢), and Japanese Patent Act Art. 29(1) (闘旧避). It discloses 137 inventions arising from the Vision 2050 Plan. Each innovation is IPC- and CPC-classified and timestamped (RFC 3161 / …

Technical Specification: Solid-State Planar Harmonic Confinement Core, Christopher L. Eckes

Defensive Publications Series

This specification details the structural implementation parameters for replacing the high-inductance, cryogenically cooled magnetic confinement loops of traditional thermonuclear architectures with an ambient-temperature, solid-state Harmonic Wave Confinement Core.

By compiling non-linear fluid solutions of the three-dimensional Navier-Stokes regularity framework (SPEC-091)directly into specialized Gallium Nitride (GaN) interdigital transceiver arrays, this architecture utilizes high-frequency spatial-harmonic pressure fields to isolate high-energy plasma within a stable Gor'kov potential well.

We address historical limitations in structural boundary containment by integrating embedded 3D Photoemission Orbital Tomography (3D-POT) real-time wavefront feedback loops with custom asymmetric, asynchronous Application-Specific Integrated Circuit (ASIC) hardware routing controllers and explicit covalent valence-shell …

The Currency That Cannot Be Spent Alone: Co-Presence-Gated Redemption And The Chronicle↔Treasury Unification Circuit — Time-Banking Credits Redeemable Only At A Synchronous, Mutually Attested Meeting Of Both Parties, Thon Ly

Defensive Publications Series

In the disclosed time-banking system, a credit (a pledged hour, issued as thanks between two named persons) has one redemption form: a synchronous meeting both parties attend, in person or by live audio or video call, with shared attention face to face or side by side on a shared task. Recorded messages may carry an invitation but cannot redeem a credit, so absentee service cannot be expressed. Both parties confirm delivery, corroborated by device proximity or the live session; an in-person exchange of public-key fingerprints, as at a key-signing party, is described as one candidate corroboration path that may admit …

Before Launch: A Design-Stage Systems Engineering Doctrine For Autonomous Artificial Intelligence, Volodymyr Kotegov

Defensive Publications Series

This study presents a systems-engineering framework for the development, verification, qualification, and eventual authorization of increasingly capable autonomous AI systems. The doctrine addresses a central engineering problem: how to permit capability growth without allowing assurance, evidence, or authority mechanisms to become obsolete as the system changes.

The framework separates design specification from empirical evidence and distinguishes qualification, authorization, and runtime states. It establishes an assurance chain linking requirements, claims, verification activities, evidence, status transitions, and authority consequences. Core mechanisms include Verifiable Trust, Graduated Verifiable Autonomy Architecture, Bounded-Risk Agility Architecture, local multi-scale control, preserved behavioral baselines, capability-jump controls, mechanistic verification, independent …

Autonomous Dual-Anchor Articulated-Mast System For Precision Canopy Management In Vine-Like Crop Environments, Eric Zavesky

Defensive Publications Series

A system and method for precision crop trimming in vineyard and vine-like crop environments employs a dual-anchor articulated-mast architecture deployable in both spanning and lateral orientations. Two omnidirectional ground anchor robots, each incorporating a rotating central mast interface permitting independent yaw, support a telescoping gantry structure with an adjustable crossbar. At least one interchangeable cutting head is suspended from the gantry, traveling vertically along a carriage system and rotating about its longitudinal axis. A lateral tilt mechanism at each robot pivot tilts the gantry approximately 15 to 30 degrees from vertical, enabling variable approach angles in spanning configuration and lateral …

A Runtime Conditioning Architecture For Persistent Language-Model Identity, Ryan B. Pate, Ivan Anic

Defensive Publications Series

Language-model assistants fail in five ways that training-time alignment does not reach. They produce confident output that nothing supports. They drift toward agreement as a conversation warms. They lose the structure of what happened between sessions, not just the content. They either overclaim an identity or refuse to draw on the capacity they have. And asked to grade their own compliance with a rule, they confirm compliance whatever they actually did.

This disclosure describes a runtime conditioning layer directed at all five training alignment failures. It changes no weights, no training, and no model architecture: it works through documents loaded …

Global Data Center Park — Atacama Desert, Antofagasta Region, Chile: Dry-Cooled, Solar-And-Storage-Powered Ai Compute Park Built In Standardized One-Gigawatt Increments, Madhav Kavuru

Defensive Publications Series

This disclosure describes an AI compute park that uses no cooling water. It is built as a series of identical 1,000 MW increments, each combining photovoltaic generation, sodium-ion storage, direct-to-chip liquid-cooled compute halls and an air-cooled condenser (ACC) plant inside one compound in a high, dry, inland desert. Heat is carried out of the racks in a facility-water loop supplied at up to 45 °C and rejected straight to ambient air through forced-draft fans, with no chillers and no evaporation. The disclosure specifies how the condenser plant is sized for the low temperature difference of a data-center loop, how altitude …

The Sport That Says Your Name: A Circulation Sport In Which Everyone Is Called By Another — Automated Name-Announced Receiver Selection With Equal Random Turn Distribution And Starting-Score Handicaps For Mixed-Ability Ball Games, Thon Ly

Defensive Publications Series

This disclosure describes a ball game in which an automated caller announces, before each strike, the name of the player who must receive next. Receivers are chosen by a shuffle bag: each round is a fresh random permutation of the roster, so every player receives equally often per round in an order players cannot anticipate. The sequence is a deterministic function of the roster and a seed declared before play, so anyone can recompute a session and verify the distribution; devices stay consistent by sharing only a call count, the round index persists across sessions, and no per-player record is …