Vrij

Recording by Broertje.

Recording identifiers

ISRC
TCADG1764988
CopyrightID (CopyrightChains transaction hash)
0x4b2de4f3cd2b991cf61750574ad16dfc2308cc9e05c5e1d7525e4e2fc24fddb4
Copyright registration time
2026-06-07T22:05:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4ad54e0c6a49e488e4f29b15bc2f837cbba3fccfaf4c759d971550be3fd5b0df

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.