ISRC CALC41302133
Verified recording
CALC41302133 is “Solitude” by Ryuichi Sakamoto,
registered on the CopyrightChains blockchain with CopyrightID
0x956d97023b5963848bca05f91bd49d9f7d145940fc68284ac900ed213f6a554f and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41302133.
Recording identifiers
- ISRC
- CALC41302133
- Title
- Solitude
- Artist
- Ryuichi Sakamoto
- CopyrightID (CopyrightChains transaction hash)
0x956d97023b5963848bca05f91bd49d9f7d145940fc68284ac900ed213f6a554f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:651ae0314422bba1850ee2902d28ac86edecacabbcc6141afeb650e4f22301e9- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41302133
- Bitcoin block existence check
- https://blockstream.info/api/block/960181