ISRC US25X2200038
Verified recording
US25X2200038 is “Nossa - Proper Villains Remix” by QRTR,
registered on the CopyrightChains blockchain with CopyrightID
0x925914c8ce88f1c41f2c88c7adfa0cc1f61a140d88d095090a63f77f53dbac1c and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US25X2200038.
Recording identifiers
- ISRC
- US25X2200038
- Title
- Nossa - Proper Villains Remix
- Artist
- QRTR
- CopyrightID (CopyrightChains transaction hash)
0x925914c8ce88f1c41f2c88c7adfa0cc1f61a140d88d095090a63f77f53dbac1c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:ad534fdd8014bd853d346bf91717cdab144ab4d2a6c27b54b7394e2210cb3e24- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US25X2200038
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Nossa - Proper Villains Remix · Machine-readable JSON-LD