Saturday Night 〜ロックな夜に魔法をかけて〜

Recording identifiers

ISRC

JPB601502021

CopyrightID (CopyrightChains transaction hash)

0xa0d83ca93185013625ee6d50b652e2cd4b2336b3ff580fcf550392e94f20e270

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T15:42:38Z

Bitcoin block

960273

Canonical record hash

sha256:0d85fff366cd5d6873b6468e475fbeb14cc152f3047dfa060febb74e3fc09509

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.