ISRC KRA381500393
Verified recording
KRA381500393 is “Twenty-three” by IU,
registered on the CopyrightChains blockchain with CopyrightID
0x22768eb42198639f5cf4b2365a26cf901dcd171711c1bff4b229558c776e6c2a and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381500393.
Recording identifiers
- ISRC
- KRA381500393
- Title
- Twenty-three
- Artist
- IU
- CopyrightID (CopyrightChains transaction hash)
0x22768eb42198639f5cf4b2365a26cf901dcd171711c1bff4b229558c776e6c2a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c90cb38e76d90b207fe8fb44e689ddc943294a7d524ac023b4c6b711e11b9a8e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381500393
- Bitcoin block existence check
- https://blockstream.info/api/block/953513