La Sirena

Recording by Grupo Union.

Recording identifiers

ISRC
QM6DC1745208
CopyrightID (CopyrightChains transaction hash)
0x35bbb8ecda522d80e07eb65ed1e75a5a4ef16f28e00600803c48776ce7ac0a3c
Copyright registration time
2026-06-09T14:19:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:feea9be984f332e567d524b98b90223fa939755f520fba3bd68365765648b59d

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.