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Recording by Christelijk Mannenkoor "Eiland Urk".

Recording identifiers

ISRC
NL6DL2100095
CopyrightID (CopyrightChains transaction hash)
0x417b2db010be19e2f0cdd084aacec4e886c978885a4165a7ffc4f31e04e1ea4b
Copyright registration time
2026-06-08T18:07:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:f73c0bcb5025c193c1381af882fa36bebe2e2a81cb2add648fa685567731455c

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.