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

Recording by Jean Sibelius.

Recording identifiers

ISRC
GBAYD0000128
CopyrightID (CopyrightChains transaction hash)
0x483d402f55fe0933ac2e9f18cc0d30f95839202ec4d01b5e7cdd3717da8ff283
Copyright registration time
2026-07-07T08:03:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d71f0e8d5bf36e7d879d5f7080d4d8ab0d4e1541d61fe3d68ea9d13e1da35c68

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.