De Steen

Recording by Paul de Leeuw.

Recording identifiers

ISRC
NLG530400014
CopyrightID (CopyrightChains transaction hash)
0x8864a968a8eadd458239834d5c824f1cbcb969470ad84cf5d2c3b3969658b7bf
Copyright registration time
2026-07-07T07:02:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:40852dd759ca44d79d75129c6c3b3cd1672c2f4a55974f602b41fe6287a08359

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.