Definitely

Recording by Yu Sakai.

Recording identifiers

ISRC
JPPO02500423
CopyrightID (CopyrightChains transaction hash)
0x3b8d47ddd77e2bf2f7a5176f7d9f71b10d77f529ce0b0f70cd1fb5472ec408a7
Copyright registration time
2026-06-09T05:28:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:7f271631747486d1cbb2c1982c661effd05f95b2fecb9ce1e0f20739dfc999aa

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.