Op Een Wolk

Recording by Karin Bloemen.

Recording identifiers

ISRC
NLL6R1900715
CopyrightID (CopyrightChains transaction hash)
0x7bd2f57786111a9bace84bd5ad065b87f211974df7fe616250ff6059b56c54c8
Copyright registration time
2026-08-01T01:19:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:09a68e7fcd58cdb47c1d54d9aa70986df6b03f38b757d80c4263b40df9549013

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.