ISRC DEF057501201
Verified recording
DEF057501201 is “Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazione” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x0efeb0e5020ac136d51f3349408d59efa82e2a8089677ce715ae79b3fc03f8f6 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501201.
Recording identifiers
- ISRC
- DEF057501201
- Title
- Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazione
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x0efeb0e5020ac136d51f3349408d59efa82e2a8089677ce715ae79b3fc03f8f6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c65b58ac3fe14bd469bb3c042e8ba36fecdd2c98a01e616ed836c6714ccccc26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501201
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazione · Machine-readable JSON-LD