夢への約束

Recording by Toshio Masuda.

Recording identifiers

ISRC
JPE300501284
CopyrightID (CopyrightChains transaction hash)
0x6b225e7a0261ce79631334e847eb99105dc908f032e7d4cadd520e0f5a4ecfdd
Copyright registration time
2026-06-27T17:09:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2bc5be1c68e59a9d4c7dd1ef5e596aac6b1091451bb9bffbfde172fcb91c7253

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.