ISRC FRZ148906070
Verified recording
FRZ148906070 is “Symphony No. 21 in A Major, K. 134: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xeb4de1f27791226a2d33c6775130ed030aad38a4f6decaa2badd0cfe8b5edb86 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ148906070.
Recording identifiers
- ISRC
- FRZ148906070
- Title
- Symphony No. 21 in A Major, K. 134: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xeb4de1f27791226a2d33c6775130ed030aad38a4f6decaa2badd0cfe8b5edb86
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:0593606522265055d5f06ceda2fd3a53a2d8b8481d4eb2f87a6ac710f1fa8c0a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ148906070
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: Symphony No. 21 in A Major, K. 134: I. Allegro · Machine-readable JSON-LD