Para el año que viene

Recording by Omara Portuondo.

Recording identifiers

ISRC
CUA011802704
CopyrightID (CopyrightChains transaction hash)
0x980bf82ea7cd81248d3b64d749151331849d321ad278ba9fc0c83dea28ff2ecc
Copyright registration time
2026-07-06T22:03:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3e8b1d5362846a8f4ec28bcb5458f0e4d1165c30a86ef6a1ef478aeb474cb107

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.