ISRC QZFZ22177173
Verified recording
QZFZ22177173 is “Checks up” by Koz Gang,
registered on the CopyrightChains blockchain with CopyrightID
0x74d87261f5d1dd89a57355cbb9f345590aa2408f8ecc4f99f44911d3832f91bb and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22177173.
Recording identifiers
- ISRC
- QZFZ22177173
- Title
- Checks up
- Artist
- Koz Gang
- CopyrightID (CopyrightChains transaction hash)
0x74d87261f5d1dd89a57355cbb9f345590aa2408f8ecc4f99f44911d3832f91bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:7fd332490fab5d452b59585b180b9632e5bce77e17cd9f48339f181faf8a9df4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22177173
- Bitcoin block existence check
- https://blockstream.info/api/block/960334