Beveridge.
Research

Patent, projects and publications

Dr. Sathiskumar JOTHI: AI and data engineering, computational and multiscale modelling of materials, hydrogen embrittlement, additive manufacturing, machining and composites.

Citations (Google Scholar)
1,539
h-index
20
i10-index
27
Publications, talks and reports
61

Open-source release: Beveridge

October 2026. Beveridge is a family of System One decision models: give it a document and typed questions (yes/no, choice, score) and it returns each answer with a calibrated probability, in one pass, without generating text. Released as open weights under Apache-2.0, commercial use allowed.

Beveridge in two and a half minutes (narrated)
Beveridge-Large-C working a queue on a laptop: on-device OCR reads the screen, Beveridge picks the button. A real run; pauses added so it can be read.

The same queue, three models

16 items: 6 support messages, 5 requests to an AI assistant, 5 actions an AI agent wants to take. Same screen, same on-device OCR, same questions and the same rule: below 0.8 confidence the item goes to a person.

Beveridge-Pro-C on the same queue. The laptop cannot hold it (it needs a GPU with about 60 GB), so its answers for the same screen text were computed on one NVIDIA H200 GPU; screen, OCR and clicks are live.
Jev on the same queue, called through its cloud API for every item; its times include the network.
ModelWhere it ranAutomatedTo a person Wrong clicksMedian per item
Beveridge-Large-Con this laptop (Apple M4 Pro GPU) 1060116 ms
Beveridge-Pro-Con one NVIDIA H200 GPU 133096 ms
Jevcloud API, including the network 1330132 ms

Automated = items where the model clicked the final button itself. To a person = confidence below 0.8, or an agent action that deletes data, moves money or messages someone. Wrong = an automated click that differs from the correct one (example: allowing a payment). Median per item = the model's own time for one item's questions; for Jev it includes the network. Example: Beveridge-Large-C sent "Charged twice for order 88412" to a person at confidence 0.788 < 0.8, so it counts as to a person, not as wrong. A demo of 16 items, not a benchmark: the benchmarks are on the Beveridge page.

Beveridge-Pro-C-Web: a browser agent that decides every step

New: Beveridge-Pro-C with web browsing added. It picks the next operation and the element on the page, with a probability for each option, and keeps Beveridge-Pro-C's results on documents. Next step on web pages from site types it never saw: 98.2% (Beveridge-Pro-C: 49.4%). Live in the open-source browser loop jev-ultrafast: hotel search 3/3, Wikipedia 3/3. Keep a person in the loop for anything that buys, sends, deletes or signs.

Beveridge-Pro-C-Web browsing live: the real screen after every action and the step Beveridge chose, with its confidence and decision time. Steps are held so they can be read; the real time of each run is on screen.
Model · 25.8B · one GPU with about 60 GB

Beveridge-Pro-C-Web

Hotel search: Lisbon, two filters, open the right hotel in a median 1.86 s. Wikipedia: find and open an article in a median 4.88 s. About 0.2 to 0.7 s per decision on one NVIDIA H200. Beveridge-Bench on documents: 92.1%.

Beveridge Voice: speak, Beveridge decides, the reply is spoken

Same model, different questions: each use case asks its own typed questions. Beveridge can make mistakes; keep a person in the loop for important decisions.

Beveridge Voice: 23 real-world voice use cases. A caller's voice note is transcribed by Whisper, Beveridge-Large-C answers the use case's typed questions, fixed reply rules turn the answers into a reply, and Kokoro speaks it. All voices are stock synthetic voices. Use cases marked 'illustration · domain not tested' are outside Beveridge's tested areas.
Beveridge Voice architecture: voice note, Whisper speech to text,
  Beveridge typed decisions, fixed reply rules, Kokoro text to speech, spoken reply; and the 23 use cases
How it works. Whisper (MIT) · Beveridge-Large-C (Apache-2.0) · Kokoro-82M stock voices (Apache-2.0); runs on a laptop.
Model · 0.4B · laptop CPU or any GPU

Beveridge-Large-C

Automates 76% of decisions at 95% accuracy on our held-out tests. About 5 ms per decision on one GPU, 60 ms on a laptop CPU.

Model · 25.8B · one GPU with about 60 GB

Beveridge-Pro-C

Automates 69% of decisions at 95% accuracy. About 22 ms per decision on one GPU. Pair it with Beveridge-Large-C in route mode.

Automated share at 95% = the largest share of answers, taken from the most confident down, whose accuracy is still at least 95%. Example: 76% means 760 of 1,000 decisions go through automatically and are at least 95% right; the other 240 go to a person.

Patent and research projects

Patent · UK GB2585890 · US application 2021/0019557 · 2021

System for distributed data processing using clustering

Inventors: S Jothi, A Ganguly, C Cane · 23 citations (Google Scholar)

European Union, Seventh Framework Programme (FP7), project 263335 · 2011–2015

MultiHy: Multiscale Modelling of Hydrogen Embrittlement

Budget €5.12 million (EU contribution €3.39 million). Swansea University partner team.

Project on CORDIS

Citations per year

From Google Scholar. h-index = the largest h such that h works have at least h citations each; i10-index = works with at least 10 citations.

720136201447201539201673201770201812120191212020159202119020221772023200202419020251312026 so far

Journal articles (30)

Sorted by citations. Titles link to the publisher (DOI) where available, otherwise to Google Scholar.

CitesYearTitle and source
3432018Influence of powder characteristics and Additive manufacturing process parameters on the microstructure and mechanical behaviour of Inconel 625 fabricated by Selective Laser …
CP Sathiskumar Jothi · Additive manufacturing, 2018
1532016An investigation of micro-mechanisms in hydrogen induced cracking in nickel-based superalloy 718
S Jothi, SV Merzlikin, TN Croft, J Andersson, SGR Brown · Journal of Alloys and Compounds 664, 664-681, 2016
1112019Prediction of surface roughness and material removal rate in wire electrical discharge machining on aluminum based alloys/composites using Taguchi coupled Grey Relational …
T Thankachan, KS Prakash, R Malini, S Ramu, P Sundararaj, ... · Applied Surface Science 472, 22-35, 2019
682019Influence of materials and machining parameters on WEDM of Al/AlCoCrFeNiMo0.5 MMC
S Karthik, KS Prakash, PM Gopal, S Jothi · Materials and Manufacturing Processes 34 (7), 759-768, 2019
672017Artificial neural network to predict the degraded mechanical properties of metallic materials due to the presence of hydrogen
T Thankachan, KS Prakash, C David Pleass, D Rammasamy, B Prabakaran, S Jothi · international journal of hydrogen energy 42 (47), 28612-28621, 2017
632014Influence of grain boundary misorientation on hydrogen embrittlement in bi-crystal nickel
S Jothi, TN Croft, SGR Brown · International journal of hydrogen energy 39 (35), 20671-20688, 2014
612018Reduced graphene oxide wrapped hierarchical TiO2 nanorod composites for improved charge collection efficiency and carrier lifetime in dye sensitized solar cells
MR Subramaniam, D Kumaresan, S Jothi, JD McGettrick, TM Watson · Applied Surface Science 428, 439-447, 2018
582018Optimization of the Configuration of Porous Bone Scaffolds made of Polyamide/Hydroxyapatite Composites using Selective Laser Sintering for Tissue Engineering Applications
M Ramu, M Ananthasubramanian, T Kumaresan, R Gandhinathan, S Jothi · Bio-Medical Materials and Engineering, DOI: 10.3233/BME-181020, 2018
582015Multi-phase modelling of intergranular hydrogen segregation/trapping for hydrogen embrittlement
S Jothi, TN Croft, L Wright, A Turnbull, SGR Brown · International journal of hydrogen energy 40 (43), 15105-15123, 2015
532013Micromechanical modeling of piezo-magneto-thermo-elastic composite structures: Part I–Theory
DA Hadjiloizi, AV Georgiades, AL Kalamkarov, S Jothi · European Journal of Mechanics-A/Solids 39, 298-312, 2013
522017Electrodeposition of r-GO/SiC nano-composites on magnesium and its corrosion behavior in aqueous electrolyte
V Kavimani, K Soorya Prakash, R Rajesh, D Rammasamy, NB Selvaraj, T Yang, B Prabakaran, S Jothi · Applied Surface Science 424, 63-71, 2017
482012Micromechanical Modeling of Piezo-Magneto-Thermo-Elastic Composite Structures: Part II-Applications
DA Hadjiloizi, AV Georgiades, AL Kalamkarov, S Jothi · European Journal of Mechanics, A/Solids 39, 313-327, 2012
452019Development and characterization of areca fiber reinforced polymer composite
K Dinakaran, H Ramesh, AD Joseph, R Murugan, S Jothi · Materials Today: Proceedings 18, 934-940, 2019
442016Effects of additives on kinetics, morphologies and lead-sensing property of electrodeposited bismuth films
AR Rajamani, S Jothi, MD Kumar, S Srikaanth, MK Singh, G Otero-Irurueta, D Ramasamy, M Datta, M Rangarajan · The Journal of Physical Chemistry C 120 (39), 22398-22406, 2016
332015Multiscale multiphysics model for hydrogen embrittlement in polycrystalline nickel
S Jothi, TN Croft, SGR Brown · Journal of Alloys and Compounds 645, S500-S504, 2015
322014Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous …
S Jothi, TN Croft, SGR Brown, EA de Souza Neto · Composite Structures 108, 555-564, 2014
302017Corrosion inhibition on mild steel by phosphonium salts in 1 M HNO3 aqueous medium
N Palaniappan, LR Chowhan, S Jothi, IG Bosco, IS Cole · Surfaces and Interfaces 6, 237-246, 2017
302016Localized microstructural characterization of a dissimilar metal electron beam weld joint from an aerospace component
S Jothi, T Sebald, HM Davies, ED Reese, SGR Brown · Materials & Design 90, 101-114, 2016
232015Coupled macroscale-microscale model for hydrogen embrittlement in polycrystalline materials
S Jothi, TN Croft, SGR Brown · International journal of hydrogen energy 40 (6), 2882-2889, 2015
192023Grain boundary and triple junction characteristics analytics of additive manufactured Inconel 625 superalloy using selective laser melting
C Pleass, S Jothi, M Krishnan · Materials Science and Engineering A 869, 144744, 2023
192019Neodymium-decorated graphene oxide as a corrosion barrier layer on Ti6Al4V alloy in acidic medium
N Palaniappan, IS Cole, F Caballero-Briones, S Manickam, C Lal, S Jothi · RSC Advances 9 (DOI: 10.1039/c9ra00106a), 8537–8545, 2019
192015Meso-microstructural computational simulation of the hydrogen permeation test to calculate intergranular, grain boundary and effective diffusivities
S Jothi, N Winzer, TN Croft, SGR Brown · Journal of Alloys and Compounds 645, S247-S251, 2015
182018Electrodeposition of Tin-Bismuth Alloys: Additives, Morphologies and Compositions
AR Rajamani, S Jothi, M Datta, M Rangarajan · Journal of Electrochemical Society 165 (2), D50-D57, 2018
172019Highly branched PtCu nanodandelion with high activity for oxygen reduction reaction
T Yang, D Pukazhselvan, EL da Silva, MC Santos, L Meng, D Ramasamy, S Jothi, V Graça, S Shi · International Journal of Hydrogen Energy 44 (1), 174-179, 2019
172015Modelling the influence of microstructural morphology and triple junctions on hydrogen transport in nanopolycrystalline nickel
S Jothi, TN Croft, SGR Brown · Composites Part B: Engineering 75, 104-118, 2015
102021Artificial neural network modeling to evaluate and predict the mechanical strength of duplex stainless steel during casting
T THANKACHAN, KS PRAKASH, S JOTHI · Sādhanā 46 (4), 197, 2021
32019Microstructural influence on damping for Friction stir welded Aluminum plates
K Vijayan, S Jothi, A Pal · Procedia Structural Integrity 14, 642-648, 2019
32018Studies on the effect of weld defect on the fatigue behavior of welded structures
R Murugan, PR Venugobal, TP Ramaswami, S Chinnusamy · China welding 27 (1), 53-59, 2018
12023pH‐Dependent Synthesis of Pure‐Phase BiI3 and BiOI by Electrodeposition**
GM Kumar, DS Varma, S Jothi, D Ramasamy, JCC Abrantes, M Rangarajan · ChemistrySelect 8 (29), e202302055, 2023
12017Machine Learning for Degraded Mechanical Properties of Metallic Materials Due to the Presence of Hydrogen
SJT Thankachan, KS Prakash, CD Pleases, D Rammasamy, ... · Int. J. Hydrogen Energy, 2017

Conference papers and presentations (17)

Newest first.

CitesYearTitle and source
–2018Fabrication and Characterization of Metal-Metal Composites Reinforced with AlCoCrCuFe High Entropy Alloy
SJ K. Soorya Prakash, P.M.Gopal, M. Purusothaman, M. Sasikumar, R. Devaraj · ANM2018, 2018
–2016Effect of grain boundary, columnar boundary, and hydrogen in weld hot cracking
S Jothi, T Sebald, ED Reese · XV INTERNATIONAL CONFERENCE ON INTEGRANULAR AND INTERPHASE BOUNDARIES IN …, 2016
–2015Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel
S Jothi · TMS, 2015
12014Multiscale experimental-atomic-continuum coupled model to study the effects of microstructure on hydrogen diffusion in pulse plated nickel
SGRB S. Jothi, Nick Croft · HySEA2014, At Rio de Janeiro, Brazil, 2014
12014Analysis of the effect of grain boundaries and trapping on the effective diffusion of hydrogen in polycrystalline material
SGRB S.Jothi, Nick Croft · ICH2P-2014 conference, At Fukuoka, Japan, 2014
12014A multiscale chemo-mechanical model of hydrogen embrittlement in polycrystalline nickel
SGRB S.Jothi, Nick Croft · 2nd International Conference on Metals and Hydrogen (Steel&Hydrogen2014), At …, 2014
–2014Micromechanical modeling of hydrogen induced cracking in nickel based superalloy 718
SGRB S.jothi, Nick Croft · Hy-SEA 2014, At [Rio de Janeiro, Brazil], 2014
–2014Mass transport in nanopolycrystalline composite media using mesoscale model
SGRB S. Jothi, Nick Croft · ICCE-22, At MALTA, 2014
–2014Multiscale coupled microstructure and continuum critical dislocation site method for coupled chemomechanical hydrogen embrittlment problem
S Jothi · Materials Science and Technology Conference and Exhibition 2013, MS and T …, 2014
22013Multiscale modelling of hydrogen embrittlement in polycrystalline materials
S Jothi · ESIA12-Engineering Structural Integrity Assessment: Where are we now?, 2013
12013Computational analysis of Hydrogen Diffusion in Polycrystalline Nickel and Anisotropic Polygonal Micro, Nano Grain Size Effects,
SGRB S. Jothi, Nick Croft · International Conference on Hydrogen Safety (ICHS2013), At Brussels, BELGIUM., 2013
12013Computational Analysis of Hydrogen diffusion in polycrystalline nickel and irregular polygonal micro and nano grain size effects
S Jothi · The 5th International Conference on Hydrogen Safety (ICHS 2013), 2013
–2013Numerical Modelling of Hydrogen Aggregation Mechanism of Annealed Electrodeposited Polynanocrystalline Nickel
EASN S. Jothi, Nick Croft, S.G.R. Brown · 9th International conference on Diffusion in solids and Liquids DLS2013,, At …, 2013
–2013Asymptotic Homogenization Modeling of 3-D Magnetoelectric Smart Composite Structures
K S. Jothi, Demetra Hadjiloizi, Georgiades · Fifth North America-Greece-Cyprus Workshop on Paramagnetic Materials, At …, 2013
–2013Influence of Microstructural Intergranular in Stress Induced Hydrogen Embrittlement
S Jothi · Materials chemomechanics at the atomic scale: modelling and experiments, 2013
–2012Nonlinear finite element analysis of transvarestraint test to study the thermo-mechanical behavior of alloy 718 and allvac 718plus
S. Jothi · 1st European Community on Computational Methods in Applied Sciences: Young …, 2012
–2011Micromechanical Modeling of Magneto-Electro-Thermo-Elastic Smart Composite Structures
S Jothi · XXVII Panhellenic Conference of Solid State Physics and Materials Science 2011,, 2011

Reports, preprints and thesis (7)

Including the EU FP7 MultiHy deliverable and the PhD thesis (Swansea University). Newest first.

CitesYearTitle and source
–2023Metadata optimisation of RAG for STEM Chatbot
S Jothi · 10.5281/zenodo.10447789, 2023
–2023Retrieval Augmented Generation(RAG) for AEEM domain specific personalised Tasks
S JOTHI, D Ramasamy, JM Olive · https://doi.org/10.5281/zenodo.10396326, 2023
–2023Data Index Tuning for Retrieval Augmented Generation
S Jothi · 10.5281/zenodo.10447764, 2023
–2022Electrochemical Synthesis of Bismuth Iodide and Bismuth Oxyiodide
MK Govindaraju, DS Varma, S Jothi, D Ramasamy, J Abrantes, M Rangarajan · ChemRxiv, 2022
–2022Investigation of Grain boundary and triple junction characteristics of Inconel625 manufactured using selective laser melting
S Jothi, C Pleass, M Krishnan · 10.5281/zenodo.7386523, 2022
62015Multiscale modelling and experimentation of hydrogen embrittlement in aerospace materials
S Jothi · PQDT-Global, 2015
42015EU FP7 multi-scale modelling hydrogen embrittlement-MultiHy
S Jothi, TN Croft, SGR Brown, E de Souza Neto · Swansea University deliverable 6, 2015

Industry and proprietary work (7)

Listed by title only: work for industry partners or kept private, so the details are not public.