Letter

Recording by Yiruma.

Recording identifiers

ISRC
QM6MZ1412826
CopyrightID (CopyrightChains transaction hash)
0x881d0dcfe3420e48863d71d8fb901a8ff812189b94928ae3196e4bad55e919c8
Copyright registration time
2026-06-22T17:27:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ceb8627b5582b05156baf91a1d56b3feb8379591b187dc004b28dcdd3529d63a

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.