東京

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPPO00517640
CopyrightID (CopyrightChains transaction hash)
0x065e5d5ad85d192db56ed36c0593c0e6c30de18dc615ba24f642b374fb8a5eef
Copyright registration time
2026-06-21T21:53:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:247554b63c719f083b2890f853fed58240cdebd2399cb7a40fd92937c95e19d3

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.