環状六号線

Recording by Nogizaka46.

Recording identifiers

ISRC
JPU901601307
CopyrightID (CopyrightChains transaction hash)
0x9b51307778e3e11ed3e0154f9c71b2e990bdbc284da2a73ac90452a5aa72cfe5
Copyright registration time
2026-06-09T03:50:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d1bdef9f4f904ef71701bc9a5dee0d42bc3d92d7edf5dd00ba22bb9dc21a2f44

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.