Olha

Recording by Gal Costa.

Recording identifiers

ISRC
BRMCA7900239
CopyrightID (CopyrightChains transaction hash)
0x6c8f675607765693a3ab90982802786906fb58ee376d59b598e2954f28feb64d
Copyright registration time
2026-06-06T07:48:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:cf19cc73ad72c79b0594753853a850960a3527ae5c52e9a6f636823536291a6f

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.