Handen Omhoog

Recording by Jan Smit.

Recording identifiers

ISRC
NLUR71800013
CopyrightID (CopyrightChains transaction hash)
0x720393d155492c03699549bcfbca94c243d85f37f7712bb1e20e0566276251b6
Copyright registration time
2026-07-06T06:24:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:447b12e83fc1e5a8b5d271a905b8b40cd21432f193ef1fde9e72234ca77a726e

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.