Butterfly Lovers Violin Concerto: Act 2

Recording by Chen Kang.

Recording identifiers

ISRC
GBAYD9800296
CopyrightID (CopyrightChains transaction hash)
0xa87859c51b7f45a0f8e9050a7e283c4ecf798fa11016f59668c248b6a9374d50
Copyright registration time
2026-07-06T23:09:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2ed5b6c6cfd5909405ecac16bdf1666a4dad4d24a44b84331e27b9b60ff77462

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.