Whisper

Recording by Christelijk Mannenkoor "Eiland Urk".

Recording identifiers

ISRC
NL6DL2100018
CopyrightID (CopyrightChains transaction hash)
0x0d5ffaf0981e44193aae8a19108335ed28b8a904a539fea87b0d645381a32716
Copyright registration time
2026-06-20T15:41:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5fed3052bddb00d34fc9d1e3642d318376050733c6f2cf8197f7600736399cbd

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.