ISRC QZRP42174778
Verified recording
QZRP42174778 is “Go Off Freestyle” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0xc599ac6fc0abcee498f5af0b1d6c5a5aa31fd71010f6686c7471c7a81ca104b6 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42174778.
Recording identifiers
- ISRC
- QZRP42174778
- Title
- Go Off Freestyle
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0xc599ac6fc0abcee498f5af0b1d6c5a5aa31fd71010f6686c7471c7a81ca104b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:2e7f2299eec0b318507d938d6c3903fdad83b3897cab0db273bc2d1fd1e1eeb5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42174778
- Bitcoin block existence check
- https://blockstream.info/api/block/956302