Perdón Porque?

Recording by Julión Álvarez y su Norteño Banda.

Recording identifiers

ISRC
USUM71011318
CopyrightID (CopyrightChains transaction hash)
0x8786719eb6db2ff6b5bad8b952ecd1e79f95bcc05ad1dbec07df64853c9bdc7a
Copyright registration time
2026-06-01T20:38:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:8fa15176394dc93776b8535a31668108bb5c594027fcf1c24acb45f4c4a755bc

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.