ISRC FRZ141024070
Verified recording
FRZ141024070 is “The Wild Duck (Kačena divoká)” by Leoš Janáček,
registered on the CopyrightChains blockchain with CopyrightID
0xd86a5921ab23e6e534966fef2ea4295544e47aafb0b0511334ca8c1f07f460ef and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141024070.
Recording identifiers
- ISRC
- FRZ141024070
- Title
- The Wild Duck (Kačena divoká)
- Artist
- Leoš Janáček
- CopyrightID (CopyrightChains transaction hash)
0xd86a5921ab23e6e534966fef2ea4295544e47aafb0b0511334ca8c1f07f460ef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:ca8063ee6aa9d50b8bb356d5733e5754c30a9da88bd1096068352c08cc2ffe63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141024070
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: The Wild Duck (Kačena divoká) · Machine-readable JSON-LD