ISRC USUYG1252913
Verified recording
USUYG1252913 is “4ourty” by Toosii,
registered on the CopyrightChains blockchain with CopyrightID
0x1dd2e381425d649a23f711b1bc404f2a848345d364d728544fa125aca4be8836 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1252913.
Recording identifiers
- ISRC
- USUYG1252913
- Title
- 4ourty
- Artist
- Toosii
- CopyrightID (CopyrightChains transaction hash)
0x1dd2e381425d649a23f711b1bc404f2a848345d364d728544fa125aca4be8836
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:614551ab0ed0d6df34db6f2a8b8c8ad1986d89ef2ad7b6862ae18653cdce2198- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1252913
- Bitcoin block existence check
- https://blockstream.info/api/block/956302