Não aprendi a dizer adeus

Recording by Leandro & Leonardo.

Recording identifiers

ISRC
BRWMB9704303
CopyrightID (CopyrightChains transaction hash)
0xf7a401824eb0c32f7b4b74e58932bc6768ff68444f8201f0476dd9b2cdb0d6a5
Copyright registration time
2026-06-01T11:32:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5cb7f1c1d2e5919451e7c5953a789953675d6230f11988b07c4a3217c4a5e6e5

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.