De Schreeuw Van De Leeuw

Recording by Paul de Leeuw.

Recording identifiers

ISRC
NLD450710001
CopyrightID (CopyrightChains transaction hash)
0xbcb76e0430e174792a607c82a99f1150f8001cb870016b03dfc6478fc587a373
Copyright registration time
2026-07-06T18:25:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ff42896227bdf2422c934ef33680268740a8427a8653d2e31c9c919ea83da193

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.