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