ISRC CALC42020521
Verified recording
CALC42020521 is “Sepia” by Nazih Borish,
registered on the CopyrightChains blockchain with CopyrightID
0xc5a5374c03e5e89a4be515c73daaf216c99eefe2962f904a655f3300243dc5df and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42020521.
Recording identifiers
- ISRC
- CALC42020521
- Title
- Sepia
- Artist
- Nazih Borish
- CopyrightID (CopyrightChains transaction hash)
0xc5a5374c03e5e89a4be515c73daaf216c99eefe2962f904a655f3300243dc5df
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:6f3ad97e695ca073c077f122e0c8bc685385f2757f9db25f01d7f4a693ac7f93- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42020521
- Bitcoin block existence check
- https://blockstream.info/api/block/960500