虹の都へ

Recording by Hiroshi Takano.

Recording identifiers

ISRC
JPTO09012620
CopyrightID (CopyrightChains transaction hash)
0x7a274b0a59052f714257fdd3db2a66db05c3e07d0d61c99b1c381bf7ae155e43
Copyright registration time
2026-07-30T15:16:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:fed14e3eb36544b7aaa4de1d6639c36e8d8f5ea3d444d21a75dd57f00192d6b1

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.