
The Zerésima Report of the Transmission and Totalization System (Sistot) was issued in Teresina by the Electoral Court, proving that there were no votes registered in the system before the start of the official totalization of the first round of the 2026 elections, scheduled for Sunday (4).
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The Zerésima Report is a standard procedure of the Electoral Court that verifies the integrity of the voting system before the official totalization begins.
The Zerésima Report of the Transmission and Totalization System (Sistot) was issued this Saturday afternoon (3), in a public ceremony held in Teresina by the Electoral Court. The document proved that there were no votes registered in the system before the start of the official tallying of votes for the first round of the 2026 elections, scheduled for Sunday (4).

Datafolha research reveals that 47% of voters do not spontaneously mention any name for the two senatorial vacancies per state in 2026, indicating a low degree of vote consolidation. The survey, registered with the Electoral Court under SP-09337/2026, interviewed 2,520 voters aged 16 or over between October 2nd and 3rd, with a margin of error of two percentage points and a confidence level of 95%.

The 64 poll workers who will work in the general elections on Sunday (4) in Fernando de Noronha participated in training with TRE professionals this Saturday (3) at Escola Arquipélago. In addition to federal positions, residents will elect seven members of the District Council. Voting will take place from 9am to 6pm local time, one hour ahead of Brasília.

Research commissioned by Globo and Folha de S.Paulo interviewed 2,520 voters aged 16 or over between October 2nd and 3rd, with a margin of error of two percentage points and a confidence level of 95%. The survey was registered with the Electoral Court under number SP-09337/2026. The text explains that the TSE publishes the official results of the elections considering only valid votes, excluding blank and null votes, and that to win in the first round it is necessary to obtain 50% of the valid votes plus one vote.

Research commissioned by Globo and Folha de S. Paulo interviewed 1,620 voters aged 16 or over between October 2nd and 3rd, with a margin of error of 2 percentage points and a confidence level of 95%, registered with the Electoral Court under DF-07243/2026, explaining that valid votes exclude blanks and null votes and that to win in the first round, 50% of valid votes plus one vote are necessary.

In the first round of the 2026 presidential elections, voters must enter 19 numbers in the electronic ballot box, and the use of a paste is recommended to avoid errors and speed up voting, as instructed by the head of the Bauru electoral registry.

Quaest research released on the eve of the 1st round of elections in São Paulo shows Tarcísio de Freitas (Republicans) with 60% of valid votes and Fernando Haddad (PT) with 36%, indicating a possible victory in the first round. The survey interviewed 3,702 voters between October 2 and 3, with a margin of error of two percentage points and a confidence level of 95%.