ISRC FRZ139610192
Verified recording
FRZ139610192 is “Violinkonzert No. 4 In D Dur, K 218: II. Andante cantabile” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4188a71020ea4c28d353b2cfa12706e79c9d186bfc7da4c421d0633da6f18a7f 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/FRZ139610192.
Recording identifiers
- ISRC
- FRZ139610192
- Title
- Violinkonzert No. 4 In D Dur, K 218: II. Andante cantabile
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4188a71020ea4c28d353b2cfa12706e79c9d186bfc7da4c421d0633da6f18a7f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0ea0e73f0a3a01018aaebf3a9036d8192e206014486a1b061d399eee392a76b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139610192
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Violinkonzert No. 4 In D Dur, K 218: II. Andante cantabile · Machine-readable JSON-LD