Klem vast aan de Rots

Recording by Jaap Kramer.

Recording identifiers

ISRC
USCGJ2345619
CopyrightID (CopyrightChains transaction hash)
0xecc1956be4365b4029740b653b577abf6be375f7d624fd256407a96398292ba9
Copyright registration time
2026-07-30T04:44:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:15:54Z
Bitcoin block
960209
Canonical record hash
sha256:bb944f19db9e9f8eb0569f92ecb3eb3906eea869164aed91e9b4b9d04cd456fe

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.