Twenty-three

Recording by IU.

Recording identifiers

ISRC
KRA381500393
CopyrightID (CopyrightChains transaction hash)
0x22768eb42198639f5cf4b2365a26cf901dcd171711c1bff4b229558c776e6c2a
Copyright registration time
2026-06-04T07:34:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:c90cb38e76d90b207fe8fb44e689ddc943294a7d524ac023b4c6b711e11b9a8e

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.