Madrugada

Recording by John C. Williams.

Recording identifiers

ISRC
GBYJB1700001
CopyrightID (CopyrightChains transaction hash)
0xdc68c2118cc294bd1b66db228e1824137d23e0e29b1ca508bc6976e275ed08f0
Copyright registration time
2026-07-07T16:06:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c2675bb45a8f30ff9b14103276266e58db27b3b55970da127f024a9a88b5a37d

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.