Wees mijn Leidsman (Reprise)

Recording by Klaas Jan Mulder.

Recording identifiers

ISRC
NLG620573984
CopyrightID (CopyrightChains transaction hash)
0xfd829a06149273ca2676d4524068a121e2142adbeb12ce440a458d5a930a552f
Copyright registration time
2026-07-06T05:53:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:830e4291eda636309b1fe758cbbeac6587e6b605f36474d95e471e36d5829ad8

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.