Klem vast aan de Rots

Recording by Mannenzang Katwijk.

Recording identifiers

ISRC
NLCQ60343811
CopyrightID (CopyrightChains transaction hash)
0xf90b16358e268a038e137fe49500a809bcde48a7d276a152be2b410e161d7e89
Copyright registration time
2026-06-21T10:47:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2142c8cd9235ede58d59a9add66e1de467c4a8adcff2456953b9a0e56f381247

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.