ISRC DEF057901001
Verified recording
DEF057901001 is “Musical Offering, BWV 1079: 4c. Canon 3 a 2 per motum contrarium” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xd55247dea2ec57fae625352e6eccb26c5d31f475776c5f8e7be33b3236a30288 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901001.
Recording identifiers
- ISRC
- DEF057901001
- Title
- Musical Offering, BWV 1079: 4c. Canon 3 a 2 per motum contrarium
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xd55247dea2ec57fae625352e6eccb26c5d31f475776c5f8e7be33b3236a30288
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:afef93802ad0506bd74a5f1f2c3c0eeac0108b134cc39ae41c5d696adf54f11a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901001
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Musical Offering, BWV 1079: 4c. Canon 3 a 2 per motum contrarium · Machine-readable JSON-LD