Balada a uma rapariga triste

Recording by Conjunto Académico João Paulo.

Recording identifiers

ISRC
PTVC16600130
CopyrightID (CopyrightChains transaction hash)
0x7936858178cc69a5b98f6a7cbd850c14c8124ef3f54987592d8c24ccd9885f62
Copyright registration time
2026-07-07T09:00:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:68368050ba76a92db7cf2291c8d23566a6aecb3d340bbb1b1b1f4cf68ff2aeb2

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.