ISRC CZA166400117
Verified recording
CZA166400117 is “Mackie Messer” by Milos Kopecky,
registered on the CopyrightChains blockchain with CopyrightID
0xc44d1e869b92666bf7ccee1b8be6f33b0c2baf15acb4dc516a942e1359685ac9 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166400117.
Recording identifiers
- ISRC
- CZA166400117
- Title
- Mackie Messer
- Artist
- Milos Kopecky
- CopyrightID (CopyrightChains transaction hash)
0xc44d1e869b92666bf7ccee1b8be6f33b0c2baf15acb4dc516a942e1359685ac9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:48d47f48637b023affe8b8f49683dfad7b36966dedea452a155c2d94a3d0568a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166400117
- Bitcoin block existence check
- https://blockstream.info/api/block/960337