ISRC DEF055630004
Verified recording
DEF055630004 is “The Art of Fugue, BWV 1080: Contrapunctus 4” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x92422bab30ceaa8e98eca4ffa0b2dd6562730a2f330d8a0de81c9149132cd106 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055630004.
Recording identifiers
- ISRC
- DEF055630004
- Title
- The Art of Fugue, BWV 1080: Contrapunctus 4
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x92422bab30ceaa8e98eca4ffa0b2dd6562730a2f330d8a0de81c9149132cd106
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:81848e6d4df985dfe7b0c9b52f9a0c5ff0bf6135cf42702fa25316654b48892a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055630004
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: The Art of Fugue, BWV 1080: Contrapunctus 4 · Machine-readable JSON-LD