ISRC FRZ299528070
Verified recording
FRZ299528070 is “Grande Messe en ut mineur, K. 427: Quoniam” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x8b7345ca4875d18192d8337813df94f0acd0445e8967e9aba363a89796caf788 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/FRZ299528070.
Recording identifiers
- ISRC
- FRZ299528070
- Title
- Grande Messe en ut mineur, K. 427: Quoniam
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x8b7345ca4875d18192d8337813df94f0acd0445e8967e9aba363a89796caf788
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:da80a0803dfd20702025f9b7d6893f604f7dc780e5dda9478ded5ec6c7b6c7d6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299528070
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Grande Messe en ut mineur, K. 427: Quoniam · Machine-readable JSON-LD