ISRC FRZ207500404
Verified recording
FRZ207500404 is “Mozart: Requiem in D Minor, K. 626: IV. Tuba mirum” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x63d95bfccb5d8927ba1d77e72c3ef3d5a8540c84c7f7a8a98741ab06dfe4aad4 and independently timestamped
in Bitcoin block 960497 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207500404.
Recording identifiers
- ISRC
- FRZ207500404
- Title
- Mozart: Requiem in D Minor, K. 626: IV. Tuba mirum
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x63d95bfccb5d8927ba1d77e72c3ef3d5a8540c84c7f7a8a98741ab06dfe4aad4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T02:22:04+00:00
- Bitcoin block
- 960497
- Canonical record hash
sha256:2e43e746c8186a092bf8972e906149d46f5cbba0e7764ad93f9036f43efd6b56- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207500404
- Bitcoin block existence check
- https://blockstream.info/api/block/960497
Full record
Track page: Mozart: Requiem in D Minor, K. 626: IV. Tuba mirum · Machine-readable JSON-LD