ISRC USX760630260
Verified recording
USX760630260 is “Serenade for Strings, Op. 11: I. Preludium” by Dag Wirén,
registered on the CopyrightChains blockchain with CopyrightID
0x2e51a5e48759efa9c202050dbcc5479504be52917b909281c81b5ef951fd7c38 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX760630260.
Recording identifiers
- ISRC
- USX760630260
- Title
- Serenade for Strings, Op. 11: I. Preludium
- Artist
- Dag Wirén
- CopyrightID (CopyrightChains transaction hash)
0x2e51a5e48759efa9c202050dbcc5479504be52917b909281c81b5ef951fd7c38
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:18cc32091df549de14a3d7630a8a3c100084f53247c927e9d35a12dca08238ba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX760630260
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Serenade for Strings, Op. 11: I. Preludium · Machine-readable JSON-LD