De Trappelzak-Boogie

Recording by Paul de Leeuw.

Recording identifiers

ISRC
NLK072200113
CopyrightID (CopyrightChains transaction hash)
0xb2165d834525ed5a18f261b528b3767e3c8410909da1ab812681340bb1cc1959
Copyright registration time
2026-07-07T16:10:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:f485975c59428d24a89e8aa96298c091f5a8aea0bf22d40a87cb3654119a9604

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.