ISRC US3DF2225085
Verified recording
US3DF2225085 is “TUFF HITS” by upper class,
registered on the CopyrightChains blockchain with CopyrightID
0x686eec310b2f9ae4af69a673fd4ad5668896adcd91ae46b2d75773e8c418ba64 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2225085.
Recording identifiers
- ISRC
- US3DF2225085
- Title
- TUFF HITS
- Artist
- upper class
- CopyrightID (CopyrightChains transaction hash)
0x686eec310b2f9ae4af69a673fd4ad5668896adcd91ae46b2d75773e8c418ba64
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8310ff3c52bdb12941361a069a1bdd67b4565bf3112ea2ac62f830f224bda681- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2225085
- Bitcoin block existence check
- https://blockstream.info/api/block/957118