't Oog omhoog, het hart naar boven

Recording by Mannenzang Katwijk.

Recording identifiers

ISRC
NLCQ60143808
CopyrightID (CopyrightChains transaction hash)
0xa16246fd61e0f0dbf33303c022fdbd05e7b6d679969392f800ba10818662dc67
Copyright registration time
2026-06-20T12:47:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:feec9c1bc4a5148c60de3a9bddfacb87193b2d52e30e389e83f0c2e473b163b6

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.