ISRC FRZ148906080
Verified recording
FRZ148906080 is “Symphony No. 21 in A Major, K. 134: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xebd45fbeb5ea38fada9fc3ada543114584a2c13baf1600607f0451ab398dd7d5 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ148906080.
Recording identifiers
- ISRC
- FRZ148906080
- Title
- Symphony No. 21 in A Major, K. 134: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xebd45fbeb5ea38fada9fc3ada543114584a2c13baf1600607f0451ab398dd7d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:72280f1644516d392d13c0a98cce5d8a6e1a23643cb75c81941cf42a1f43c9ab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ148906080
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 21 in A Major, K. 134: II. Andante · Machine-readable JSON-LD