Vårsång II

Recording by Wilhelm Peterson-Berger.

Recording identifiers

ISRC
SE2LQ8800301
CopyrightID (CopyrightChains transaction hash)
0x05c37a274415632182ea893a5a1bab0bdf526d03e8310bb9442a9b89a0cddc36
Copyright registration time
2026-01-28T18:38:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b8b6ed6dfdd1fb253534d5667cb4404eff715d4389327b57c0eab8637783221f

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.