ISRC USUM72017832
Verified recording
USUM72017832 is “Friend Zone” by Toosii,
registered on the CopyrightChains blockchain with CopyrightID
0xb4d17370dadcb41b550b89979bb8e4fa005f2e56c6e80fbef894a2f5aa333fb3 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72017832.
Recording identifiers
- ISRC
- USUM72017832
- Title
- Friend Zone
- Artist
- Toosii
- CopyrightID (CopyrightChains transaction hash)
0xb4d17370dadcb41b550b89979bb8e4fa005f2e56c6e80fbef894a2f5aa333fb3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:040529c8cdfac787c5b08acdfebfc6bd830f07584a6648ede708734d52a68766- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72017832
- Bitcoin block existence check
- https://blockstream.info/api/block/953528