ISRC USSM19303747

Verified recording

USSM19303747 is “Horn Concerto No. 1 in D Major, K. 412: II. Rondo. Allegro” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x00054cf771eea5f2a8b03443de6945512a94aa324ab5c6965f33df9cac9271ee 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/USSM19303747.

Recording identifiers

ISRC
USSM19303747
Title
Horn Concerto No. 1 in D Major, K. 412: II. Rondo. Allegro
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x00054cf771eea5f2a8b03443de6945512a94aa324ab5c6965f33df9cac9271ee

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:5191bbe40633071127e39a12d5ebd04a5b3da03b696b84cfe4551d90aee78382
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19303747
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Horn Concerto No. 1 in D Major, K. 412: II. Rondo. Allegro · Machine-readable JSON-LD