Sommarsången

Recording by Siw Malmkvist.

Recording identifiers

ISRC
SEPQB7220310
CopyrightID (CopyrightChains transaction hash)
0xe0dbc7833c27fbad0cb3fe0f75ffa024efc6b7b8b752be58b2bbceb1b04536b2
Copyright registration time
2026-01-28T18:15:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1cc9f33338ed675ddaabebb81f57e3eb02f3656edcafa84421df9762356b8fd1

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.