ISRC FRZ207300501
Verified recording
FRZ207300501 is “Mozart: Piano Concerto No. 21 in C Major, K. 467: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x617ef0aa91691601123b157d770930209d755cb906d6f6b812e9df4c890a2f20 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207300501.
Recording identifiers
- ISRC
- FRZ207300501
- Title
- Mozart: Piano Concerto No. 21 in C Major, K. 467: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x617ef0aa91691601123b157d770930209d755cb906d6f6b812e9df4c890a2f20
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:f621883dc695f285bdcb8c20b18cab58a32010d25a90fe0ab249ab54a45b450d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207300501
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Mozart: Piano Concerto No. 21 in C Major, K. 467: II. Andante · Machine-readable JSON-LD