Cuando Te Tuve En 20

Recording by Calibre 50.

Recording identifiers

ISRC
USUM71216353
CopyrightID (CopyrightChains transaction hash)
0xbd82f1fb4032fe8c4a6f5b608ca3a960da7cdb5e42a584925979c5854b4bf46b
Copyright registration time
2026-06-04T13:28:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:89abc380d09144ca9dccfb8614e538d1f7d32cc850f672c09aa13ddf80bba14d

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.