¿Quién De Los Dos Será?

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ2100768
CopyrightID (CopyrightChains transaction hash)
0x4be933b7b8de5610a2e37b21736a9fcfd5282ca0fe3bc483680152f7b285d60f
Copyright registration time
2026-06-05T16:15:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:325519f40ccc4fc2e76bd9fb2f598e8eececf202eeec8acd4b260b2a95fedc91

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.