O Canto do Cisne Negro

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
GBELX0802859
CopyrightID (CopyrightChains transaction hash)
0xe1f8350a2d9c413b2fbfdf37fbbd2b71676e087ede685585a7d7e94b128c4eb8
Copyright registration time
2026-06-25T18:53:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e00833fe87387de9253928fccf99842a7c4bbd3719d61025b3571f0665438434

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.