ISRC CZA167500485
Verified recording
CZA167500485 is “Josefína” by Petr Spálený,
registered on the CopyrightChains blockchain with CopyrightID
0x674ec8f4cf9fd7f725b0d5e5e21846265ffd60964d9ae18cb1a9fdc933b427b6 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167500485.
Recording identifiers
- ISRC
- CZA167500485
- Title
- Josefína
- Artist
- Petr Spálený
- CopyrightID (CopyrightChains transaction hash)
0x674ec8f4cf9fd7f725b0d5e5e21846265ffd60964d9ae18cb1a9fdc933b427b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:708e8399b63418445445f081dc5cd276f087cd5a4fe1d5579a6051bdf6ccc85b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167500485
- Bitcoin block existence check
- https://blockstream.info/api/block/957118