Sunset Waltz

Recording by Kyūka.

Recording identifiers

ISRC
GB72R2200014
CopyrightID (CopyrightChains transaction hash)
0x0d6350e48e0becd789aff1553e2df857a54d308de79c9c8f8b7161d3c419a491
Copyright registration time
2026-06-06T07:43:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5f38d2e4dc9a28eda5cb262f652dab2901b1553dff3b693cc2a2d6e4068f8e0e

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.