Green Song Based On A Solo Cello Piece By The CPS.

Recording by Anne Sofie von Otter.

Recording identifiers

ISRC
DEN960031009
CopyrightID (CopyrightChains transaction hash)
0x122e3152f3a5abe0e9424591bffeeda3abdd3081e9a1db1e717787c1319dfe4a
Copyright registration time
2026-06-24T06:25:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:8aca6bb3916ef370921ebe266772ed31871f8238604ac1758ec9a56580bab7b5

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.