ISRC QM4TW1524454
Verified recording
QM4TW1524454 is “Duetto in G Major BWV 804” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x31a4ff492581278c29bad758479861e343f99bdfa4bcf7a43ae6c0f63daf67e1 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524454.
Recording identifiers
- ISRC
- QM4TW1524454
- Title
- Duetto in G Major BWV 804
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x31a4ff492581278c29bad758479861e343f99bdfa4bcf7a43ae6c0f63daf67e1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:f252e470e41a6816cad28262290a3429022d626306e6b6b5c8b4889555125e43- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524454
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Duetto in G Major BWV 804 · Machine-readable JSON-LD