Riff (BLR Remix)

Recording by Sander van Doorn.

Recording identifiers

ISRC
NLZ542500027
CopyrightID (CopyrightChains transaction hash)
0xd36c8d4ccbddcfba27592a42fa7897f4a70439e21dbb655382c3f2d8f492c536
Copyright registration time
2026-06-05T21:43:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:729f8c2358ce51d14ad64abee541d8aa2e1ebc88f74e35f2e11877bffc650814

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.