ROMANCE CODE

Recording by Nanase Aikawa.

Recording identifiers

ISRC
JPB601801933
CopyrightID (CopyrightChains transaction hash)
0xb6b1c9fbda8f748ad4f63ae6183573918484ed0d4883755e426a162087515609
Copyright registration time
2026-07-07T23:35:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:26abae3cb5c6083dd3bbe911c644c4c614ad097aaef1cf83cbe511dc82f48874

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.