Niks Aan De Hand II - Musical Foxtrot

Recording by Paul de Leeuw.

Recording identifiers

ISRC
NLD450105010
CopyrightID (CopyrightChains transaction hash)
0x94c6eb9029d8726bf21613e4f69cef5563733056bc21193b5480a2f638620be8
Copyright registration time
2026-07-30T08:30:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T08:33:28Z
Bitcoin block
960231
Canonical record hash
sha256:7968e88c27e063b6f99dd04c866c5c4c9a6e6f41f7c3c3aa166d7f629aaecfe9

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.