Letter

Recording by Jinyoung.

Recording identifiers

ISRC
KRA382300173
CopyrightID (CopyrightChains transaction hash)
0x78f5b889080925827bb71d71c0a82772bfc35a519275a46bcdf840bebc28f88a
Copyright registration time
2026-06-05T15:11:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b59f70f6cfb18adf5f00034d86788b70cddcdd5869ffa2cb1822da90bd9efe02

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.