Letter

Recording by Yiruma.

Recording identifiers

ISRC
KRD981800206
CopyrightID (CopyrightChains transaction hash)
0xc54c3cd42db3e7923b549b1904dfcb0ecd68696b801a84d468a801b4f27b916b
Copyright registration time
2026-06-12T00:32:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:28a4f948a664965e53dfd2517f82706b1903d49509834fd81c3f5907be454195

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.