No. 2, Sommarsång

Recording by Wilhelm Peterson-Berger.

Recording identifiers

ISRC
HKI190915116
CopyrightID (CopyrightChains transaction hash)
0x6d30dd6e064064f3165233eca22e80da18577ced8cc61fbbe09bc1a63cef18de
Copyright registration time
2026-01-28T18:48:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:2553f10f2033d0f642ce13b38cc9f4f9a638be817f4c02c162ba1cfb4e688ef2

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.