Frysk folksliet

Recording by PTT Mannenkoor en Anneke Douma.

Recording identifiers

ISRC
NLW2R1717431
CopyrightID (CopyrightChains transaction hash)
0x752cf77371785d29a498e1d5d3b972aa14562efdd5acbfbb2d7d44490838d6a7
Copyright registration time
2026-06-25T11:14:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:67ab6c4110b1ee286783772b5e50558111c3351e2f9eedd7af7996d474bfab18

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.