ISRC USBZ22200005
Verified recording
USBZ22200005 is “Music for Prague 1968: IV. Toccata and Chorale” by Karel Husa,
registered on the CopyrightChains blockchain with CopyrightID
0xaa825cdca103a166acaea027daece06662960c2a6304ee8562f450039aa9455f 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/USBZ22200005.
Recording identifiers
- ISRC
- USBZ22200005
- Title
- Music for Prague 1968: IV. Toccata and Chorale
- Artist
- Karel Husa
- CopyrightID (CopyrightChains transaction hash)
0xaa825cdca103a166acaea027daece06662960c2a6304ee8562f450039aa9455f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:510c4af3210aa33a0f33a97f3d5414c9f790f4262708cfc9d087679b31c23788- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBZ22200005
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Music for Prague 1968: IV. Toccata and Chorale · Machine-readable JSON-LD