Brand New Days

Recording by 川村ゆみ.

Recording identifiers

ISRC
JPK651366517
CopyrightID (CopyrightChains transaction hash)
0x9b73752b5bccd151fe86001e16250bbb936f3ab94dc2e04716671c2d89fca287
Copyright registration time
2026-06-04T13:58:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:f2d22c270317db4e0e4e49f75b8d748847c125b5b28137272a53e4ec797d8327

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.