ISRC USSR21600251
Verified recording
USSR21600251 is “The Mark” by Simon Viklund,
registered on the CopyrightChains blockchain with CopyrightID
0x528b4663345d4cddc533043d938f70a2c4f5842a05f8dc3dec3f9f748e5bc4aa 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/USSR21600251.
Recording identifiers
- ISRC
- USSR21600251
- Title
- The Mark
- Artist
- Simon Viklund
- CopyrightID (CopyrightChains transaction hash)
0x528b4663345d4cddc533043d938f70a2c4f5842a05f8dc3dec3f9f748e5bc4aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:8a721b82e49578978a2b3399849278800f37fdb84ef6ec43133f5ccf1785afe7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSR21600251
- Bitcoin block existence check
- https://blockstream.info/api/block/953513