Gudrun och Andreas

Recording by Mattias Alkberg.

Recording identifiers

ISRC
SE2FY2100401
CopyrightID (CopyrightChains transaction hash)
0x5a7674fc30bb35ea8e180065906dbaea716e8b3477295db9ca6c8168ea73aada
Copyright registration time
2026-06-22T13:14:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:19c1966072d7113892eaa522e3a3253cbd23503816bc7b4419586aa3e2e604ec

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.