Não aprendi a dizer adeus

Recording by Leandro & Leonardo.

Recording identifiers

ISRC
BRWMB9704303
CopyrightID (CopyrightChains transaction hash)
0xf7a401824eb0c32f7b4b74e58932bc6768ff68444f8201f0476dd9b2cdb0d6a5
Copyright registration time
2026-06-01T11:32:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:01100e20ee862473645db5d5c27a4bbe0f0f6a70b6186404f9c36db772a45dd4

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.