ISRC FRZ208704303
Verified recording
FRZ208704303 is “Bach, CPE: Oboe Sonata in G Minor, Wq. 135: III. (a) Vivace con variazioni” by Carl Philipp Emanuel Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xd354dc0ecdf71927045775d5cd2bd1554ca1b38a1c8af7be5bb03d0bc25abac1 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/FRZ208704303.
Recording identifiers
- ISRC
- FRZ208704303
- Title
- Bach, CPE: Oboe Sonata in G Minor, Wq. 135: III. (a) Vivace con variazioni
- Artist
- Carl Philipp Emanuel Bach
- CopyrightID (CopyrightChains transaction hash)
0xd354dc0ecdf71927045775d5cd2bd1554ca1b38a1c8af7be5bb03d0bc25abac1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:85de46c3d2da84864af1c4980ebab86b97ee1cea569688ceba0494862d7beaad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208704303
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Bach, CPE: Oboe Sonata in G Minor, Wq. 135: III. (a) Vivace con variazioni · Machine-readable JSON-LD