ISRC US83Z2323052
Verified recording
US83Z2323052 is “Back to Black” by YAAS,
registered on the CopyrightChains blockchain with CopyrightID
0x60bec2b3c7eb3423703506f4ac54a793ebf56b14879f7e27236bafd4398f89b4 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2323052.
Recording identifiers
- ISRC
- US83Z2323052
- Title
- Back to Black
- Artist
- YAAS
- CopyrightID (CopyrightChains transaction hash)
0x60bec2b3c7eb3423703506f4ac54a793ebf56b14879f7e27236bafd4398f89b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:09bfdc6e84b55894244d643d291cd410417d009ccd571172078bc47591cfbd88- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2323052
- Bitcoin block existence check
- https://blockstream.info/api/block/960368