Bitter Sweet Harmony

Recording by 中島愛.

Recording identifiers

ISRC
JPVI01867320
CopyrightID (CopyrightChains transaction hash)
0x484b1a6beb5d81e96b2230cd82e3495c4eef53b6ac4c4fbf89f51686b26cb74c
Copyright registration time
2026-06-20T04:27:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d6853305525a47a1c7637bb9e16a7e868b4213daf0866824e6cafd3eceb85da1

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.