ISRC DEF055630011
Verified recording
DEF055630011 is “The Art of Fugue, BWV 1080: Contrapunctus 11, a 4” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xa18d99cb6d2771ed3c7e5a1f634a0c611d16adf16671ef2767afe1472513436f and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055630011.
Recording identifiers
- ISRC
- DEF055630011
- Title
- The Art of Fugue, BWV 1080: Contrapunctus 11, a 4
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xa18d99cb6d2771ed3c7e5a1f634a0c611d16adf16671ef2767afe1472513436f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:64d6dd0534da528575250a68deed0d87eb732214aecc1548a51a52543182df44- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055630011
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: The Art of Fugue, BWV 1080: Contrapunctus 11, a 4 · Machine-readable JSON-LD