ISRC DEF058703152
Verified recording
DEF058703152 is “Horn Concerto No. 3 in E Flat Major, K. 447: II. Romance (Larghetto)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xcbd14c23766f65879607f4a2f3e22273678bb1e51d0f413a06f7c48e7d713c5c and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703152.
Recording identifiers
- ISRC
- DEF058703152
- Title
- Horn Concerto No. 3 in E Flat Major, K. 447: II. Romance (Larghetto)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xcbd14c23766f65879607f4a2f3e22273678bb1e51d0f413a06f7c48e7d713c5c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:dc738e4dd1fc498b27b70c805e4a712c30d1ea49d61a285cca678f3855604156- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703152
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Horn Concerto No. 3 in E Flat Major, K. 447: II. Romance (Larghetto) · Machine-readable JSON-LD