ISRC QZTBB2264635
Verified recording
QZTBB2264635 is “If it's smoke” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0x70bdc3514d9e5a25755394e1f8139c4d86e8da7b85abc97bd003155c520ddd17 and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBB2264635.
Recording identifiers
- ISRC
- QZTBB2264635
- Title
- If it's smoke
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0x70bdc3514d9e5a25755394e1f8139c4d86e8da7b85abc97bd003155c520ddd17
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:bad51cba552c52c4202102aac196539c004df72bfed928072824ecbdadf99c0d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBB2264635
- Bitcoin block existence check
- https://blockstream.info/api/block/960170