Bye Bye

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI00834590
CopyrightID (CopyrightChains transaction hash)
0x17c6555e01f160d12aba30c850309f3cc63d7646e32df427f921ab7957a31c99
Copyright registration time
2026-07-30T01:11:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48Z
Bitcoin block
960185
Canonical record hash
sha256:0df67715e3ee8301dd00650e16ed3a12bafb626d70f4fdd81d5dde70138912e2

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.