ISRC CZA161100625
Verified recording
CZA161100625 is “Létající Čestmír” by Karel Svoboda,
registered on the CopyrightChains blockchain with CopyrightID
0x11fa9c58b1413ef5ebc85b77e3debacc8c8dffa46582a71f6080ce608ca9836c and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161100625.
Recording identifiers
- ISRC
- CZA161100625
- Title
- Létající Čestmír
- Artist
- Karel Svoboda
- CopyrightID (CopyrightChains transaction hash)
0x11fa9c58b1413ef5ebc85b77e3debacc8c8dffa46582a71f6080ce608ca9836c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:e43d62fcafedd0024658a95f60f5080b1b14aa0df3a25d006fbfea1b4d8b4620- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161100625
- Bitcoin block existence check
- https://blockstream.info/api/block/953515