虹の都へ

Recording by Hiroshi Takano.

Recording identifiers

ISRC
JPTO00702148
CopyrightID (CopyrightChains transaction hash)
0xa1d67ce01548bd49cc8a0aab10c6fb330b3afb49795d62980dd5dc0253c4429f
Copyright registration time
2026-06-05T14:21:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a9e7a1a88d2f27b86c10c22810620b9a19c96eb07a678c4de3d1a29c0c6ef2fd

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.