Tokyo Sick (feat. MARIA)

Recording by Sunny Day Service.

Recording identifiers

ISRC
JPI591801049
CopyrightID (CopyrightChains transaction hash)
0x223757ecbbf40bbbc81450507765d0eb4f15f791f5a7af5da476484b61e726e7
Copyright registration time
2026-07-06T11:06:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:6b85d6955630574bfed31c89c01a16473b5f74e2eb4f47daa7a9c2a540b02d04

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.