Tu

Recording by Gal Costa.

Recording identifiers

ISRC
BRUM70500226
CopyrightID (CopyrightChains transaction hash)
0x6867ed94196c0e7957651cfbf20288a41e99c452b42891c6f9ed69c29f1be54c
Copyright registration time
2026-06-04T11:20:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:73e837b2aabe2406e754c95ffb194aa17a257269d22747b9e4fb99320ef4630f

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.