ISRC QZMZ92162070
Verified recording
QZMZ92162070 is “Di Buff” by Leftside,
registered on the CopyrightChains blockchain with CopyrightID
0xc6b2ebb6e00949afe80de01c6fe110ac9305ab1d2d7ef10b996cda7a40f5b649 and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMZ92162070.
Recording identifiers
- ISRC
- QZMZ92162070
- Title
- Di Buff
- Artist
- Leftside
- CopyrightID (CopyrightChains transaction hash)
0xc6b2ebb6e00949afe80de01c6fe110ac9305ab1d2d7ef10b996cda7a40f5b649
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:6c60e34a652ae4662c3867db9215204d67d98f6c8c0757cefbe416bf08b4373f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMZ92162070
- Bitcoin block existence check
- https://blockstream.info/api/block/960463