Sommarlovsvisan

Recording by Mathias Zachrisson.

Recording identifiers

ISRC
SE6YW2500103
CopyrightID (CopyrightChains transaction hash)
0x3a161ef94aecae1894f58c8fe5070c8b11f599293653a558ca26ec51d6208f1f
Copyright registration time
2026-06-26T15:08:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:75232f96e730626f3159f46867acb0166b0706a0c954f0fa571a8c7300210070

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.