ISRC KRA381000745
Verified recording
KRA381000745 is “Nostalgia” by Choi Seong Wook,
registered on the CopyrightChains blockchain with CopyrightID
0xdf9e7cc4cba984b1718cd5d3369e52d2d9acf2f1f4709967e0fafa18aa7fe0cf and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381000745.
Recording identifiers
- ISRC
- KRA381000745
- Title
- Nostalgia
- Artist
- Choi Seong Wook
- CopyrightID (CopyrightChains transaction hash)
0xdf9e7cc4cba984b1718cd5d3369e52d2d9acf2f1f4709967e0fafa18aa7fe0cf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5a7e5328bf31c3cd236634f6e35abb7b889ad9ddc15953f85624aaea4dea1259- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381000745
- Bitcoin block existence check
- https://blockstream.info/api/block/956304