ISRC DEF058903913
Verified recording
DEF058903913 is “Sinfonia concertante in E Flat Major for Oboe, Clarinet, Horn, Bassoon and Orch., K. 297b: III. Andantino con variazioni” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x269e6423d764e6177d54c149bac26f388d46e90d2ab2234aa789015bd7ccfbdf and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903913.
Recording identifiers
- ISRC
- DEF058903913
- Title
- Sinfonia concertante in E Flat Major for Oboe, Clarinet, Horn, Bassoon and Orch., K. 297b: III. Andantino con variazioni
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x269e6423d764e6177d54c149bac26f388d46e90d2ab2234aa789015bd7ccfbdf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f0504f1ca7b42a2d58e4e54367c821f2c75fa2ea18825ef05cf6feeabe340b29- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903913
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Sinfonia concertante in E Flat Major for Oboe, Clarinet, Horn, Bassoon and Orch., K. 297b: III. Andantino con variazioni · Machine-readable JSON-LD