青のすみか

Recording by Tatsuya Kitani.

Recording identifiers

ISRC
JPU902302107
CopyrightID (CopyrightChains transaction hash)
0xba9801cbb08f95d29d0a4b835c9b593248958c62e156f70c7267d5962b51595b
Copyright registration time
2026-06-02T13:01:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:e54ebbd6334fd74be52817b90ddb02957e131e546d8eabbbc5ad3cdf0069c4bf

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.