ISRC FRV730700223
Verified recording
FRV730700223 is “Duo No. 3: Oculus non vidit” by Orlande de Lassus,
registered on the CopyrightChains blockchain with CopyrightID
0x49f9d924039ae6d48e4a45aa51a2ba827cf400f466fce1f414429084ef568b0c and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV730700223.
Recording identifiers
- ISRC
- FRV730700223
- Title
- Duo No. 3: Oculus non vidit
- Artist
- Orlande de Lassus
- CopyrightID (CopyrightChains transaction hash)
0x49f9d924039ae6d48e4a45aa51a2ba827cf400f466fce1f414429084ef568b0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:c73ffe857deafbef4392c8d28325992ea555ba29a95368030becf147f0aea003- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV730700223
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Duo No. 3: Oculus non vidit · Machine-readable JSON-LD