Carmen "Habanera" - A cappella

Recording by Carla Mariana Fernández de la Cruz.

Recording identifiers

ISRC
QZHZ32137861
CopyrightID (CopyrightChains transaction hash)
0xad23577ec79182673dab8117b720b73485c0e16506c51232a191319126560abe
Copyright registration time
2026-07-07T09:40:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:7283b7f8dda7452b5c90a35a6677a1b0546bf4e29b21ea53a36e6db66994ecd5

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.