ISRC USZDG0700086
Verified recording
USZDG0700086 is “Requiem, K. 626: Dies Irae” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xd6af53e71b0a6d464c85ee49c194e051b8b1fc5bf38c89e5839bf77a56e3cfaf and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0700086.
Recording identifiers
- ISRC
- USZDG0700086
- Title
- Requiem, K. 626: Dies Irae
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xd6af53e71b0a6d464c85ee49c194e051b8b1fc5bf38c89e5839bf77a56e3cfaf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:6e44d91b34581ce388d94d345826b34f9ac66bc38a4dc148ffa6388720eceae4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0700086
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Requiem, K. 626: Dies Irae · Machine-readable JSON-LD