ISRC DEF058903914
Verified recording
DEF058903914 is “Sinfonia Concertante In E Flat For Oboe, Clarinet, Horn, Bassoon, Orch., K.297b: 3. Andantino con variazioni - Excerpt” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x8b1857cb57532534d1d900d1e55c783b02aa4c487a2674d40a718623a2ce606d and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903914.
Recording identifiers
- ISRC
- DEF058903914
- Title
- Sinfonia Concertante In E Flat For Oboe, Clarinet, Horn, Bassoon, Orch., K.297b: 3. Andantino con variazioni - Excerpt
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x8b1857cb57532534d1d900d1e55c783b02aa4c487a2674d40a718623a2ce606d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:9e2ecb1ed8287dcfa8e3d2b10859ace8e668084d0b4e33a7863eaafbfc9385cb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903914
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Sinfonia Concertante In E Flat For Oboe, Clarinet, Horn, Bassoon, Orch., K.297b: 3. Andantino con variazioni - Excerpt · Machine-readable JSON-LD