Blues del Cuaderno

Recording by Fernando Cabrera.

Recording identifiers

ISRC
UYA130200045
CopyrightID (CopyrightChains transaction hash)
0xa6996c64530a490d6a66b9b85071cabc1d96050a20ce271e398733d2445de447
Copyright registration time
2026-07-30T00:42:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:53:20Z
Bitcoin block
960181
Canonical record hash
sha256:38ad06ad5bd5ec414a9d10edea97cf07a8657e49730638158190384a073eb818

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.