Alfredo e Iván

Recording by Grupo Marca Registrada.

Recording identifiers

ISRC
QZDA61928334
CopyrightID (CopyrightChains transaction hash)
0x45aface196c53f1333819cf6624e49510c4355483bc7d1489b17658fc226bdc2
Copyright registration time
2026-06-09T09:09:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1aac451a2b68e836b710c2234aacc7f11ad8d147a1ac53444504524f2946dc63

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.