Kullervo, Op. 7: III. Kullervo and His Sister

Recording by Jean Sibelius.

Recording identifiers

ISRC
FINDE1900080
CopyrightID (CopyrightChains transaction hash)
0x5992afc3255f4a54762030fc9f6e38971d775369e8d1ee397ca08c12c9a2f1ea
Copyright registration time
2026-07-06T23:56:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1d41be8fad8b5ae9c66903003a17057bfd4f4fbd48d7bc1c8b5e88c70465c541

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.