ISRC DEF057501203
Verified recording
DEF057501203 is “Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xa5118476d521aa8ddb6d815691edac1d007674c3ce2fe1867e3fc04ba011499b and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501203.
Recording identifiers
- ISRC
- DEF057501203
- Title
- Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xa5118476d521aa8ddb6d815691edac1d007674c3ce2fe1867e3fc04ba011499b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:a04f90b17f0e3d4b2fb9cc62d078dbfa6cc8d03ee88d8cdf444e263e4bba2427- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501203
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio · Machine-readable JSON-LD