Skyfri Himmel

Recording by Karoline Krüger.

Recording identifiers

ISRC
NO2WY2202010
CopyrightID (CopyrightChains transaction hash)
0x6e2f9328c3418f9027740dae729fd69623e8fa0f6f1b419f648b4c2ee49f239e
Copyright registration time
2026-06-08T14:29:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:539ecd1568c737eb88673d61fc8bdc5152f25d061800221c18ef27837e1c10df

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.