Sommarvisa

Recording by Björn Skifs.

Recording identifiers

ISRC
SEAMA2300035
CopyrightID (CopyrightChains transaction hash)
0xf84adfe26ad9ef3cd5ee80a5d125ec2f26205a60c2d474563bf3a83274ef9bff
Copyright registration time
2026-01-29T04:00:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:76884f55e36a5518e154dd8793eae8afdd43db50cd0795f930490b1fa933c7df

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.