ISRC QZK6J2166170
Verified recording
QZK6J2166170 is “Smoking O” by 72z,
registered on the CopyrightChains blockchain with CopyrightID
0xbcf82c9d5c7979eddab4d7c35221bbcea631f1f8c7ff2ca703c236cd4b84e2ab and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2166170.
Recording identifiers
- ISRC
- QZK6J2166170
- Title
- Smoking O
- Artist
- 72z
- CopyrightID (CopyrightChains transaction hash)
0xbcf82c9d5c7979eddab4d7c35221bbcea631f1f8c7ff2ca703c236cd4b84e2ab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:30a8a90688ab2c81287a95fe8ca156c3a0ab1b85738b12bb382f17aaae438543- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2166170
- Bitcoin block existence check
- https://blockstream.info/api/block/960494