Cuatro Compases

Recording by Miguel Caló.

Recording identifiers

ISRC
DE1A42140721
Release date of the album this recording appears on
1959-05-26
CopyrightID (CopyrightChains transaction hash)
0x2858794db8fd59c34eec13cf758431b1a8305b50874a9271cdc01d6c9c215920
Copyright registration time
2026-06-25T01:04:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7253dbff7415a82cdeee241b724d94931d08d748fd0dc666ee41c0fcf96fe164

What this proof establishes

This recording was released in 1959, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.