Kullervo, Op. 7: II. Kullervo's Youth

Recording by Jean Sibelius.

Recording identifiers

ISRC
FINDE1900079
CopyrightID (CopyrightChains transaction hash)
0xb8551c1c587aded975e8d619fc4b225756f70d4444c8c271a40c5ae4b45f8e16
Copyright registration time
2026-07-07T00:10:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2a48314ab0c2e02f31bc9d93470a2b4201ebfeedbcffbd7db7ac97260196e9c7

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.