Vrij Zijn

Recording by BKO.

Recording identifiers

ISRC
NLS5K1700060
CopyrightID (CopyrightChains transaction hash)
0x7c672cb48a58b11d3e38c46ffc55cd5a6d00e539358b77170deb730bf85a2078
Copyright registration time
2026-07-29T10:13:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:7f760815a39cae0828a889035fda3c2483445161cf89e7e3f0f348a95028bfe7

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.