Kom Maar, Kom Maar

Recording by Jan Visser.

Recording identifiers

ISRC
NLL152203481
CopyrightID (CopyrightChains transaction hash)
0xd07dfd6ed91878a6e60609edde8b21b7a53ad4722d3d6921afe6795788ce7dd8
Copyright registration time
2026-07-31T22:50:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:fb2f4a3961a7ce60e006e49b81c9cf9028cec1cc6b015ba18093ec0e71cdd8a6

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.