5 Pieces for Piano, Op. 75: V. The Spruce

Recording by Jean Sibelius.

Recording identifiers

ISRC
GBAJY0337913
CopyrightID (CopyrightChains transaction hash)
0xf8b5f4a32b4d0edca0ace7cf2ec30afe97d6ed5d7369cfc34620b8f005086531
Copyright registration time
2026-07-07T06:40:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9a63024b7f7f6b6ecd67f4215b85576098051bdbbd895f433a6a648f660e9970

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.