さよなら言えたなら

Recording by Yoko Kuzuya.

Recording identifiers

ISRC
JPES00001082
CopyrightID (CopyrightChains transaction hash)
0xd16b7f2f417a424ca82324531d6f0caaf9849f3c809da6835b2cbb255821e250

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:39:11Z
Bitcoin block
960179
Canonical record hash
sha256:b0fd2f6628ac8e8b8b5fa9d4d64c4c39e880438dafa17760d2f89a51592c3f6a

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.