ISRC QM4TW1524452
Verified recording
QM4TW1524452 is “Duetto in E minor BWV 802” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x527a8c2dafd9e9fc976845578fbb798a5e9319cf0ca9397d96c745a20c19ecd9 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524452.
Recording identifiers
- ISRC
- QM4TW1524452
- Title
- Duetto in E minor BWV 802
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x527a8c2dafd9e9fc976845578fbb798a5e9319cf0ca9397d96c745a20c19ecd9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:4259bf41c7bdb93539b89dc56f945c7162420637788f1a82bfec90331f6276d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524452
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: Duetto in E minor BWV 802 · Machine-readable JSON-LD