ISRC FRV770400035
Verified recording
FRV770400035 is “Sub tuum praesidium, K. 198” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb8c66c88f84aa3f2a33f1965e004be30d17ab520fcb96a3a19c728f1482f26e5 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV770400035.
Recording identifiers
- ISRC
- FRV770400035
- Title
- Sub tuum praesidium, K. 198
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb8c66c88f84aa3f2a33f1965e004be30d17ab520fcb96a3a19c728f1482f26e5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:7b1d0458c69655b5c0b99043ceb97878754d850348e83d77075683b98b15ecda- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV770400035
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Sub tuum praesidium, K. 198 · Machine-readable JSON-LD