ISRC DEF058702272
Verified recording
DEF058702272 is “Horn Concerto No. 4 in E Flat Major, K. 495: II. Romanza (Andante)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xdd1f2aaa3bedb6ac0361f9e42ca842100e6ecb3c049b15f705cac79d2d52f09c and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058702272.
Recording identifiers
- ISRC
- DEF058702272
- Title
- Horn Concerto No. 4 in E Flat Major, K. 495: II. Romanza (Andante)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xdd1f2aaa3bedb6ac0361f9e42ca842100e6ecb3c049b15f705cac79d2d52f09c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:72543a5c7bef2d5f2808f75489ec88c6992ea5e241d524897eb81a508854eb89- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058702272
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Horn Concerto No. 4 in E Flat Major, K. 495: II. Romanza (Andante) · Machine-readable JSON-LD