ISRC FRZ141110170
Verified recording
FRZ141110170 is “The Bartered Bride: ACT III, Scene 6. Mařenka Oh, jaký žal!” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0x5fdc2eed79c79fbbbcd093c428207716f3d1bd9617c21d579d729f6ee014f912 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141110170.
Recording identifiers
- ISRC
- FRZ141110170
- Title
- The Bartered Bride: ACT III, Scene 6. Mařenka Oh, jaký žal!
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x5fdc2eed79c79fbbbcd093c428207716f3d1bd9617c21d579d729f6ee014f912
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:339a9e3640eb5c7ca78692895bacac7f95f00a567fd5e89e1636b6b761e861a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141110170
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: The Bartered Bride: ACT III, Scene 6. Mařenka Oh, jaký žal! · Machine-readable JSON-LD