Zing Van Zijn trouw

Recording by Christelijk Mannenkoor "Eiland Urk".

Recording identifiers

ISRC
NL6DL2100012
CopyrightID (CopyrightChains transaction hash)
0x0fc119c1e83533a56e4f68ff0adf27690524a3356653bd75335e0007509aa9a1
Copyright registration time
2026-06-19T21:05:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:293d11deb3445718d4ffcfa214033a21fc4d447c8bb22cf6edcf1678595459cc

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.