ISRC QM4TW1524443
Verified recording
QM4TW1524443 is “Invention in E minor BWV 778” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x895e5e0f7381d9ed12cf5cc55fd56d1d27e1879471cc581142770a8b25e48ffc and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524443.
Recording identifiers
- ISRC
- QM4TW1524443
- Title
- Invention in E minor BWV 778
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x895e5e0f7381d9ed12cf5cc55fd56d1d27e1879471cc581142770a8b25e48ffc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:f80867f1571f48220296cb896f3ae6450f6422f265a37a5110b199917835b6ba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524443
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Invention in E minor BWV 778 · Machine-readable JSON-LD