Halcyon Days

Recording by Zuka.

Recording identifiers

ISRC
KRMIM2465659
CopyrightID (CopyrightChains transaction hash)
0xf24f5ff73aec0eb27c3e85d598ca476ec979180dc69f384107b5acac1bee954a
Copyright registration time
2026-07-30T11:22:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10Z
Bitcoin block
960254
Canonical record hash
sha256:0a779f335e52292ade4bcabcc491d32e56b1cc33cc27bdffb2ab0121a2d91891

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.