La Preferencia

Recording by Pupy y Los Que Son Son.

Recording identifiers

ISRC
ITF251300188
CopyrightID (CopyrightChains transaction hash)
0xce11c3474eda00ccd10a39f04bdf0c2ca5d06ec6168c489b008da4f90e638507
Copyright registration time
2026-06-24T12:02:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bf90d47191d094f00871046391543b0e39dfe7854f476caed5807f2dbd1abcb8

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.