ISRC CZA541113620
Verified recording
CZA541113620 is “Já Se Teď Ptám” by Daniel Bartak,
registered on the CopyrightChains blockchain with CopyrightID
0x2e7b50d567d14503da8dbc6a7d352ddd61b64733e8e52267c2d2d447ce1b5221 and independently timestamped
in Bitcoin block 960300 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA541113620.
Recording identifiers
- ISRC
- CZA541113620
- Title
- Já Se Teď Ptám
- Artist
- Daniel Bartak
- CopyrightID (CopyrightChains transaction hash)
0x2e7b50d567d14503da8dbc6a7d352ddd61b64733e8e52267c2d2d447ce1b5221
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:42:40+00:00
- Bitcoin block
- 960300
- Canonical record hash
sha256:824a941e567f2b8aad2392ad44c50f6673a5de24b0b0a225a3954f603a2e6487- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA541113620
- Bitcoin block existence check
- https://blockstream.info/api/block/960300