Had je niet die mooie blauwe ogen

Recording by Wim Sonneveld.

Recording identifiers

ISRC
NLG620476494
CopyrightID (CopyrightChains transaction hash)
0xdf2d1d0e616659fe93c2ac8539e6457266247ee92853370899c6c5119ceaa6f8
Copyright registration time
2026-07-08T01:08:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:6a03b1f0aee056ea6cb3f758b61ba7230f2200bd2c44e8264cd9d7f6251eb9ac

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.