Younghoe Koo

Recording by Since99.

Recording identifiers

ISRC
QM24S2100172
CopyrightID (CopyrightChains transaction hash)
0x6e9268281c4badcedcf5d42cb5f50181f8558aeacbb57f306aa5c63a9a34d485
Copyright registration time
2026-06-27T12:25:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4036756b98ab764995b89ad5912e08e431791dc15e830abaa1524dea60d39d5b

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.