Beide Zijden

Recording by Karin Bloemen.

Recording identifiers

ISRC
NLFB51800002
CopyrightID (CopyrightChains transaction hash)
0xc22c753a0e522d8be6f25338948590a779263a29972d11cb93ac95dd1c20de58
Copyright registration time
2026-07-06T21:11:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d508fe349cedbe20a15be4f062e09ba597083badd685759071dcfd1893f5b59e

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.