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

Recording by Jean Sibelius.

Recording identifiers

ISRC
SEAEU1648020
CopyrightID (CopyrightChains transaction hash)
0xcba0cd5d7deb2cd3cba5a1a7fa582a2a371443f87ead623946577964cc2f63e1
Copyright registration time
2026-07-07T16:52:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fbd44cbca0fde41adde73b73bcbbb1f0592a65ab230d96432c4be6cf5c316303

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.