MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202611112302 A) filed by Dr. Tapas Das; Dr. Seshanwita Das; Shiny R M; Meesala Sravani; C. Malathi; Ramakrishnan. B; Hemantkumar Balasaheb Jadhav; and Sangeetha S on September 18, 2026, for Secure Digital Evidence Authentication Using Blockchain And Cryptographic Hashing.
Inventors include Dr. Tapas Das; Dr. Seshanwita Das; Shiny R M; Meesala Sravani; C. Malathi; Ramakrishnan. B; Hemantkumar Balasaheb Jadhav; and Sangeetha S.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: The traceability and integrity of digital evidence are crucial for upholding credibility and reliability in forensic enquiries and legal proceedings. Traditional methods of managing chain of custody often face challenges such as inefficiency, tampering, and insufficient transparency. Criminal action is an unlawful act that incurs penalties from the state, necessitating evidence for substantiation. The evidence obtained at a crime scene is essential as it acts as verification of the wrongdoing. The conversion of evidence into digital format is an imperative requirement. In the digital age, overseeing and preserving the integrity of criminal evidence poses significant difficulties owing to the threats of manipulation and data integrity loss. Traditional methods for maintaining integrity—like hashing, encryption, and secure storage—fail to satisfy the requirements of scalability, transparency, and resilience in contemporary forensic contexts. Recent developments in artificial intelligence (AI) and blockchain present encouraging opportunities to address these constraints. AI methodologies facilitate content verification by identifying irregularities, falsifications, and alterations in digital artefacts, whilst blockchain guarantees an unalterable chain-of-custody management via decentralisation, permanence, and traceability. In the domain of forensic science and judicial processes, the preservation of digital evidence is crucial, requiring stringent techniques to safeguard it against alteration. Every uploaded file is enclosed within a new block that has essential features, such as an index, evidence hash, timestamp, prior hash, nonce, block hash, file name, and permitted actions. The implementation of blockchain technology guarantees that evidence records are immutable and traceable, thereby enhancing the dependability and credibility of digital enquiries and judicial procedures.
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