El Madrugador

Recording by Omara Portuondo.

Recording identifiers

ISRC
GBBGU0468007
CopyrightID (CopyrightChains transaction hash)
0x533ba6362b9aad724b9540202ad7bb67bcb511675385e28187a51d29c95c73b0
Copyright registration time
2026-06-19T03:19:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:02793c2f6e818fa8f3e7d681fe3e8e7543eff0ed8f3aea50d9eb569f7ac82b2c

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.