ISRC CALC41000101
Verified recording
CALC41000101 is “Summa” by Arvo Pärt,
registered on the CopyrightChains blockchain with CopyrightID
0xa59d5f4c1235f559338323b36f827f38ed41c77b896ec19dd286c7d75b4f8226 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41000101.
Recording identifiers
- ISRC
- CALC41000101
- Title
- Summa
- Artist
- Arvo Pärt
- CopyrightID (CopyrightChains transaction hash)
0xa59d5f4c1235f559338323b36f827f38ed41c77b896ec19dd286c7d75b4f8226
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:572bb89d5f660689aca797228fd03476ae6f38aec98928ae74313a00208553ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41000101
- Bitcoin block existence check
- https://blockstream.info/api/block/953515