4 Madrigals, Op. 36: Våhr-Wijsa

Recording by Knut Håkanson.

Recording identifiers

ISRC
SEVOZ1153903
CopyrightID (CopyrightChains transaction hash)
0x6b2d7df6bc0cad21e1dcb383e9fed7ee1354141dc06f906203f03c821bc0f3fd
Copyright registration time
2026-07-07T09:17:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1829b67705b04bcd73a86acdd05b474c029f4e3c536b944b94f31a904a0da8b0

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.