Refrão De Bolero - Ao Vivo

Recording by Engenheiros Do Hawaii.

Recording identifiers

ISRC
BRMCA0400461
CopyrightID (CopyrightChains transaction hash)
0x893cdea0cb6d1a5627312c20fe9797a6281b342cf043bcf1700b2a48a87d1c20
Copyright registration time
2026-06-01T14:03:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:33cdf3064226d17b5042e2022596db58541f38a72318d76abfbaef3761d1a531

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.