Fryslan

Recording by Tim Douwsma.

Recording identifiers

ISRC
NL1EV1900001
CopyrightID (CopyrightChains transaction hash)
0x4dd14e47893c71efbee5e5716ce5c58d1282125164bff5dd4f1f7dd28b83b9cd
Copyright registration time
2026-06-26T06:29:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:805c6441da9d21e44afc201fd2c22cd8d5c01137f09703860ef75a9a508c9b39

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.