De Koningin Van Lombardije

Recording by Wim Sonneveld.

Recording identifiers

ISRC
NLUM71500412
CopyrightID (CopyrightChains transaction hash)
0x58f84543d7fb4c8eda2ad993920737fe4a36d2933058b080c73df8919a20a329
Copyright registration time
2026-07-31T08:16:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:0ab0ca06276f7b0b1e72b944913e61ad3dfb4152140d7e31bf0d891470381106

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.