Invention 1 - Instrumental

Recording by Jan Lenselink.

Recording identifiers

ISRC
NLG620584940
CopyrightID (CopyrightChains transaction hash)
0x25923a6f8efc7f3b80aeaa68d21c1d5fa175f9b5d5c91b238b2d1b260249a8f4
Copyright registration time
2026-06-20T14:28:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fce5ae366eb114190002a92025a1ca9e925604368542678347ed0b7d79671137

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.