ISRC QM4TW1524445
Verified recording
QM4TW1524445 is “Invention in F minor BWV 880” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xbdcd9e7525c2f9a9fd8a715a2efb764fd0321dc40ebb3c8f32f2eb6983691b2c 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/QM4TW1524445.
Recording identifiers
- ISRC
- QM4TW1524445
- Title
- Invention in F minor BWV 880
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xbdcd9e7525c2f9a9fd8a715a2efb764fd0321dc40ebb3c8f32f2eb6983691b2c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:feeb51de1f9d78bad42db5823a788bc861c24e772fd5b939bdb3a34d8f75c5a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524445
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Invention in F minor BWV 880 · Machine-readable JSON-LD