Blackberry Double

Recording by Leszek Możdżer.

Recording identifiers

ISRC
PLB361700135
CopyrightID (CopyrightChains transaction hash)
0x457f226c17d8c3216da590ba5a7aeae9d5b4756db40af86a46ce8af15509579d
Copyright registration time
2026-07-07T08:28:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:86f6111522572e7d6de5e921489e97f9e5578e65bf41497f0990328373de8755

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.