七色のフィナーレ

Recording by KEIKO.

Recording identifiers

ISRC
JPB602003382
CopyrightID (CopyrightChains transaction hash)
0x9f9b23a519b6c42fb1fc207c0e89f86272112682f39d0a3c3abc2c795251b400
Copyright registration time
2026-06-11T02:34:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:607e29bcf56742d0a944ec051942da518ac477ec38fe5293f7ca0a2161b06330

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.