Bolero (Ballad)

Recording by Chucho Valdés.

Recording identifiers

ISRC
CAE159900022
CopyrightID (CopyrightChains transaction hash)
0x9cce296dd15d15c796a96f426e9fe43b08ab94eb2d1c669ad54f8104db488b51
Copyright registration time
2026-07-07T02:03:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:41848eb1a57d1813059dc39672ad9f6d94ec561f168864d15344ce6e890019c0

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.