Cuando nadie me ve - Unplugged

Recording by Alejandro Sanz.

Recording identifiers

ISRC
ES5150106012
CopyrightID (CopyrightChains transaction hash)
0x0f0511f4f798211b50d907a8bc81791a11e407d09aba7cfdbb8b15c0e79664a1
Copyright registration time
2026-06-04T08:48:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:6264762a979de1124585b478a8b214a65ba03b2254b35517f3052cfe589defb0

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.