A Voz Do Tambor

Recording by Gal Costa.

Recording identifiers

ISRC
BRBMG9800748
CopyrightID (CopyrightChains transaction hash)
0x574a68f57b6dfe0f04fb38beebc52958575bccbe4ab77c98995077435b5567f1
Copyright registration time
2026-06-25T14:59:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:23e5ffb84c341fd75f7bc0a427395f40c08ed5c5eb2eae9745a5104e33ad39cb

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.