Nocturne II - After Dawn

Recording by Hayato Sumino.

Recording identifiers

ISRC
USSM12404952
CopyrightID (CopyrightChains transaction hash)
0x881e52aead697423e5af69a7b5d7d3b9947ed4f51cd5abf98e449979cff8a4ab
Copyright registration time
2026-06-04T13:50:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1a76df86dcd05f0754ecd3895756288a6f27a04a8ca24793bcc8b800f63a8583

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.