Amethyst

Recording by Ryuichi Sakamoto.

Recording identifiers

ISRC
US23A1571155
CopyrightID (CopyrightChains transaction hash)
0xdc0cfe5ffff2446628f1f0e140eb6faea567e2705b8773f02b312b464c9728a0
Copyright registration time
2026-06-23T02:27:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a9c3153e3f87ee631c001f0d87f68a4c2288f8df5ec4777476b6749c03661f25

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.