De paarlen poort

Recording by Chr. Krimpens Mannenkoor.

Recording identifiers

ISRC
NLCQ69846314
CopyrightID (CopyrightChains transaction hash)
0xbad8d34b36d670faa93a090f67e10d8d62e94ed145910054cecad5ffcaed1519
Copyright registration time
2026-07-07T18:08:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:a634153efa8c0587de4e1e0ec5dd73794493c9bf6272480494b898b62dfd2b53

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.