虹の都へ

Recording by Hiroshi Takano.

Recording identifiers

ISRC
JPTO09010890
CopyrightID (CopyrightChains transaction hash)
0xa342d30f37c6d9a89fe1c784e2db9f0b8fcf8be515aa5b9725e33596af56e672
Copyright registration time
2026-07-22T09:42:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T10:01:58Z
Bitcoin block
959118
Canonical record hash
sha256:e2a8c6e48d486d6c45bd71ebc62a563b7326ec63b9c8d907efd46f962b513099

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.