Tito Digital Evidence

Tito Digital Evidence

by Larissa Barbosa

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Released
September 16, 2026
Updated
October 4, 2026

Features

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About

Tito Digital Evidence records what a website displayed, from inside its own browser, and produces a folder that somebody else can verify without this app. You type an address, navigate, and capture: the visible region, the whole page as a paginated document, the rendered source of the page, and a recording of the navigation with the audio the page played. For every navigation the app keeps the network context — the effective URL, the redirects it went through, the status code, the response headers, the server's certificate chain with issuer and validity. Before the first navigation, and again when the session closes, a public RFC 3161 timestamp authority certifies the instant. The whole session lies between those two certified instants. The root is also anchored in Bitcoin through OpenTimestamps, a second, independent proof of time. WHAT COMES OUT • One folder per session, numbered in a single unbroken run • A plain-text manifest tying every file to its size, the instant it was written and its three digests • A PDF/A-2b certificate with the identification, the procedure, the timeline, the addresses, the network context of each navigation, the root of the tree and the commands that verify all of it • The timestamp authority's own certificates, so verification runs disconnected and goes on running if the service is ever switched off HOW SOMEBODY ELSE CHECKS IT By running the commands the certificate prints. The files with shasum -a 256 against the manifest, the BLAKE3 digest with a script that travels in the folder, the tree rebuilt from those digests, the timestamp tokens with openssl ts -verify, the signature with openssl dgst -verify. On any Mac, with nothing installed beyond Apple's own command line tools, offline, without this app and without trusting whoever wrote it. IT ALWAYS CAPTURES No network, a wrong clock, an authority that does not answer — it captures just the same. What changes is the level of temporal confidence the record declares, never whether the work can be done. Each proof of time arrives on its own. THE ORIGINAL IS NEVER TOUCHED No editing, no cropping, no filters, no colour correction, no recompression. The app does not alter the rendering of the page either, which rules out reader mode, ad blocking, translation and imposed themes. Nothing is imported from outside: an artifact is born inside the app, in real time, or it does not exist. WHAT IT REFUSES TO PROMISE This is not an electronic authentication of the captured content and it does not attest to its truthfulness. It is the technical record of a capture. Whether the displayed content corresponds to the reality it purports to show — staging, editing, a forged page — is beyond what any capture can establish, and the certificate says so on its first page rather than leaving it to be assumed. PROCEDURES AND IDENTIFICATION Sessions can be filed under a procedure. The organisation, the unit, the person responsible and their registration are written once and frozen inside each session, so changing them later does not touch what was already produced. An audit panel gathers the deletions and every timestamp attempt. PRIVACY No account, and no server of ours anywhere. No analytics, no telemetry, no third-party crash reporting, no third-party SDKs, no tracking, no advertising. What travels is what your browsing asks for, and digests and block numbers to the timestamp services — not data about anybody, and never a file. THE PRICE Browsing, capturing, recording, hashing, timestamping, issuing the certificate and reading everything inside the app are free and unlimited. The free plan includes one export of a session folder, once. A subscription lifts that limit. Terms of use: https://titoprivacyai.com/evidence/terms DISCLOSURE: The application provides technical records and verification mechanisms to support potential forensic analysis, but does not guarantee the acceptance of the content in judicial or administrative proceedings.
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What's New in Tito Digital Evidence

1.4

October 4, 2026

THREE DIGESTS Each file of a new session now carries a third digest, BLAKE3, beside the SHA-256 and the SHA3-512. The three come from three different constructive families, so a weakness found one day in one family does not take the whole check with it. Three digests do not add up to a stronger one, and the app does not claim they do. THE THREE ENTER THE TREE In sessions opened from this version on, the leaf of the hash tree is built over the three digests of each file. The root — the value the timestamp authority stamps, that is anchored in Bitcoin and signed on the device — therefore covers all three, and not only the SHA-256. Sessions opened before keep the rule they were sealed under and go on checking as they always did. HOW IT IS CHECKED No tool that comes with macOS computes BLAKE3, so the certificate prints two ways to reproduce it: a small script that travels in the folder and needs nothing installed, slow at about seven minutes per gigabyte, and b3sum, the official tool of BLAKE3, which answers in seconds but has to be installed apart. The certificate warns that BLAKE3 is not BLAKE2. The manifest, the session sheet and the certificate show the third digest, and files from before this version say plainly that they have none. Nothing new leaves the device.

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Tito Digital Evidence Pro Monthly

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