Zomertijd

Recording by Mieke.

Recording identifiers

ISRC
NLE320800181
CopyrightID (CopyrightChains transaction hash)
0x024930051a8247f9fe369abedf49e255e7e3371d638746de6dca57c6884509d7
Copyright registration time
2026-07-07T17:11:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:10b7150fbef7571e1e38dae142721e0255c27ca3f1882b02a497935f64adedb6

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.