ISRC QM4TW1524439
Verified recording
QM4TW1524439 is “Invention in D Major BWV 774” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x0c8f6b2f9659226c06e6a4ce8b727ef2d9449dbc6ce9b2a7972cc689060215b9 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524439.
Recording identifiers
- ISRC
- QM4TW1524439
- Title
- Invention in D Major BWV 774
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x0c8f6b2f9659226c06e6a4ce8b727ef2d9449dbc6ce9b2a7972cc689060215b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:24b72621402d7ad10ea1c9fde1d2a90fce3e2a17c594008a7c4b12d44d8ce56c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524439
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Invention in D Major BWV 774 · Machine-readable JSON-LD