ISRC USUM71708977
Verified recording
USUM71708977 is “Friends” by Justin Bieber,
registered on the CopyrightChains blockchain with CopyrightID
0x289f0341f9bf74d97d769edc223e0c8d5ca5c193e0702ea7141cd2604d57ee34 and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71708977.
Recording identifiers
- ISRC
- USUM71708977
- Title
- Friends
- Artist
- Justin Bieber
- CopyrightID (CopyrightChains transaction hash)
0x289f0341f9bf74d97d769edc223e0c8d5ca5c193e0702ea7141cd2604d57ee34
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:4c109087c185758152ffd6bbc8065f229771bc1a97ca5687fe96b065394c38b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71708977
- Bitcoin block existence check
- https://blockstream.info/api/block/956375