ISRC USYBL1300251
Verified recording
USYBL1300251 is “Old School” by Brillz,
registered on the CopyrightChains blockchain with CopyrightID
0x7d4e5179784d3f1554dd032554694707acc7a8abb2be0e68df8a95e504033f5d and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYBL1300251.
Recording identifiers
- ISRC
- USYBL1300251
- Title
- Old School
- Artist
- Brillz
- CopyrightID (CopyrightChains transaction hash)
0x7d4e5179784d3f1554dd032554694707acc7a8abb2be0e68df8a95e504033f5d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:f7780dbd3988fb0e34bcdcef66375cb74ba0db537f6f05d482735eaf664292be- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYBL1300251
- Bitcoin block existence check
- https://blockstream.info/api/block/960117