ISRC USSR21600256
Verified recording
USSR21600256 is “Calling All Units” by Simon Viklund,
registered on the CopyrightChains blockchain with CopyrightID
0x110f7d2244aeeb5ba7e4feaf6447ab9d694a7723a092b7574c82ebf3ab6d9bb3 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/USSR21600256.
Recording identifiers
- ISRC
- USSR21600256
- Title
- Calling All Units
- Artist
- Simon Viklund
- CopyrightID (CopyrightChains transaction hash)
0x110f7d2244aeeb5ba7e4feaf6447ab9d694a7723a092b7574c82ebf3ab6d9bb3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:1c05823aeb7f43a1e2db2d09670e7a5a3e003205c141c9bd1afd6c48d1b0a74c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSR21600256
- Bitcoin block existence check
- https://blockstream.info/api/block/953513