ISRC CZA161540509
Verified recording
CZA161540509 is “DR. Swing” by Arnošt Kavka,
registered on the CopyrightChains blockchain with CopyrightID
0x656690f219f930adcf20d4e330f3cd97e98b32b6afdc2951413cbd566429fe64 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161540509.
Recording identifiers
- ISRC
- CZA161540509
- Title
- DR. Swing
- Artist
- Arnošt Kavka
- CopyrightID (CopyrightChains transaction hash)
0x656690f219f930adcf20d4e330f3cd97e98b32b6afdc2951413cbd566429fe64
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:6c22a89a427babb5d75d23d4718c58ea07591e837238b9e4173244a66e73d0de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161540509
- Bitcoin block existence check
- https://blockstream.info/api/block/960403