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