Nocturne III - Once in a Blue Moon

Recording by Hayato Sumino.

Recording identifiers

ISRC
USSM12404953
CopyrightID (CopyrightChains transaction hash)
0x9f3c1d4291e246908339d3e7f7cbcadd9d0dabdd79ee542b472e695a202b7c43
Copyright registration time
2026-06-05T15:35:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:eeef0c848206691076ec2b312f526692fe854d93f422b8f7b4899f0619bedebb

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.