ISRC FRZ208611803
Verified recording
FRZ208611803 is “Van Wassenaer: Concerto Armonico No. 4 in G Major: III. Largo affettuoso” by Unico Wilhelm van Wassenaer,
registered on the CopyrightChains blockchain with CopyrightID
0x3a5a7ccc5e29ac11f4c165638f120506fff4dc20297dc097634f7920e14d0aca 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/FRZ208611803.
Recording identifiers
- ISRC
- FRZ208611803
- Title
- Van Wassenaer: Concerto Armonico No. 4 in G Major: III. Largo affettuoso
- Artist
- Unico Wilhelm van Wassenaer
- CopyrightID (CopyrightChains transaction hash)
0x3a5a7ccc5e29ac11f4c165638f120506fff4dc20297dc097634f7920e14d0aca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:081bcc94d2ef2271eb1bd23997b2604b24f8c503d76a7720a4151e64b8dc705a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208611803
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Van Wassenaer: Concerto Armonico No. 4 in G Major: III. Largo affettuoso · Machine-readable JSON-LD