ISRC US4R31347531
Verified recording
US4R31347531 is “Requiem in D Minor, K. 626: III. Sequentia "Dies irae"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x00cdcef6e937b631c5f9d0f48799dbc5df86b35107994671007a8394a93be775 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31347531.
Recording identifiers
- ISRC
- US4R31347531
- Title
- Requiem in D Minor, K. 626: III. Sequentia "Dies irae"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x00cdcef6e937b631c5f9d0f48799dbc5df86b35107994671007a8394a93be775
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:27e97aa570be30a69c94e543a1bf75c1a3db8a1dbd78387dfc65bc25da092e69- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31347531
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: Requiem in D Minor, K. 626: III. Sequentia "Dies irae" · Machine-readable JSON-LD