Atrás Da Porta

Recording by Gal Costa.

Recording identifiers

ISRC
BRBMG9500087
CopyrightID (CopyrightChains transaction hash)
0x243fc61ec2aaf2b10993fc0640293d90edadfd37f54af2d1303a14ec4ac26965
Copyright registration time
2026-06-18T12:07:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a38852aa66d03e3aaf19c506c5314a1b348d183971fe489914a619a9eb647680

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.