ISRC FRZ131401040
Verified recording
FRZ131401040 is “Requiem in D Minor, K. 626: III. Tuba mirum (Sequenz)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xdcce5df60a92f389c80432370d2908344202aeb872bf045477fc164cd67092c8 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131401040.
Recording identifiers
- ISRC
- FRZ131401040
- Title
- Requiem in D Minor, K. 626: III. Tuba mirum (Sequenz)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xdcce5df60a92f389c80432370d2908344202aeb872bf045477fc164cd67092c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:a812ec3046cc162b2ab7c8de1c17e1573e23bf9a389b0550b416df7ab6dd63f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131401040
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Requiem in D Minor, K. 626: III. Tuba mirum (Sequenz) · Machine-readable JSON-LD