King Christian II (suite), Op. 27: IV. Serenade

Recording by Jean Sibelius.

Recording identifiers

ISRC
QMFMF2118916
CopyrightID (CopyrightChains transaction hash)
0x8f52a4e96cab1cc38bfab303a0787a210d46cb26102e7197d0c0a3f67a1fc5f2
Copyright registration time
2026-01-28T22:57:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:632b894654eefd7b9be7f69172348c20735ae430bf4c50a0a311b5e796e53425

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.