ISRC FRU621836826
Verified recording
FRU621836826 is “Sonata in F for two Recorders and two Violins: II. Adagio” by William Croft,
registered on the CopyrightChains blockchain with CopyrightID
0x9bbdc3e87f8656e85fcb0a70612aad5f09d96e1d5eda30c44eb22721a747383e and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621836826.
Recording identifiers
- ISRC
- FRU621836826
- Title
- Sonata in F for two Recorders and two Violins: II. Adagio
- Artist
- William Croft
- CopyrightID (CopyrightChains transaction hash)
0x9bbdc3e87f8656e85fcb0a70612aad5f09d96e1d5eda30c44eb22721a747383e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:99b79eded395909a1751a781d65303495bd1976aa8175bbc7f6117f2d51bd2d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621836826
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Sonata in F for two Recorders and two Violins: II. Adagio · Machine-readable JSON-LD