ISRC QM4TW1524456
Verified recording
QM4TW1524456 is “Canon at the Twelfth in Counterpoint at the Fifth BWV 1080” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x7e960aa356b5b6a5782d15d3afdec8218e45d6111bfddd60c76d37c12cf8f679 and independently timestamped
in Bitcoin block 960485 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524456.
Recording identifiers
- ISRC
- QM4TW1524456
- Title
- Canon at the Twelfth in Counterpoint at the Fifth BWV 1080
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x7e960aa356b5b6a5782d15d3afdec8218e45d6111bfddd60c76d37c12cf8f679
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:10:46+00:00
- Bitcoin block
- 960485
- Canonical record hash
sha256:806d1593e36d4cd6bcc2672cea29495dc76def75f6d7c959348834b65034594d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524456
- Bitcoin block existence check
- https://blockstream.info/api/block/960485
Full record
Track page: Canon at the Twelfth in Counterpoint at the Fifth BWV 1080 · Machine-readable JSON-LD