De Koningin Van Lombardije

Recording by Wim Sonneveld.

Recording identifiers

ISRC
NLA305600054
CopyrightID (CopyrightChains transaction hash)
0x792a6d018564480afd49b44e211c902cd9c2726cce9c05661f57b885dd223471
Copyright registration time
2026-07-30T07:58:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T08:04:30Z
Bitcoin block
960225
Canonical record hash
sha256:9a274d686ab71dace0cc6c572fc057a356607ec605140be53e8436ed8ef7a3fb

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.