De Volta Ao Samba

Recording by Chico Buarque.

Recording identifiers

ISRC
BRBMG9300020
CopyrightID (CopyrightChains transaction hash)
0xd122cf24e216bc0f9bc6daf10e1410db3f032dc9354503c8bbfe948f3d6b7a25
Copyright registration time
2026-06-10T04:33:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:4dfd954e1f099b39c186dbfe35424fed5c2d29b7493b4c6fff1f23b9c7f55931

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.