Tokyo

Recording by Sunny Day Service.

Recording identifiers

ISRC
JPA309500130
CopyrightID (CopyrightChains transaction hash)
0x6757afbaf96c0e8c113f3b51803ee4fff746a9404efdc85d247054b808e02c58
Copyright registration time
2026-06-22T06:02:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:43ca71b1f812df767a4a84e87607c42abf2c634b7bb2e7c7a0f845ff3b05dbe8

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.