ISRC QZFZ61925768
Verified recording
QZFZ61925768 is “Bestfriend” by Marzi,
registered on the CopyrightChains blockchain with CopyrightID
0xbbe9aaa2ed1036c734996a82f3dedc939f50268da39b73932b499a0eabb0a8d1 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ61925768.
Recording identifiers
- ISRC
- QZFZ61925768
- Title
- Bestfriend
- Artist
- Marzi
- CopyrightID (CopyrightChains transaction hash)
0xbbe9aaa2ed1036c734996a82f3dedc939f50268da39b73932b499a0eabb0a8d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:e3300ffff0c19e09f87002db821da1702043b36278aa2f7d2a2a8834774d8458- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ61925768
- Bitcoin block existence check
- https://blockstream.info/api/block/959144