Bolero Breve

Recording by Flora Martínez.

Recording identifiers

ISRC
ES71G2120301
CopyrightID (CopyrightChains transaction hash)
0x301e628c18ea4bac5fee2fcfa2bc25859cfe1c9ff7c66bf2f61d303bec6a31b2
Copyright registration time
2026-06-08T16:36:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d4ea8a619ada6fb9c2bd5c2108e1b51f7e11a5252c7262eec345147afa19bd04

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.