ISRC FRZ209638570
Verified recording
FRZ209638570 is “Mozart: Nannerl's Music Book: Allegro in B-Flat Major, K. 3” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xfc764a7cdee9b5eaa1aad803f863cd2521af9d15c35dd86901264d93efd09a07 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209638570.
Recording identifiers
- ISRC
- FRZ209638570
- Title
- Mozart: Nannerl's Music Book: Allegro in B-Flat Major, K. 3
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xfc764a7cdee9b5eaa1aad803f863cd2521af9d15c35dd86901264d93efd09a07
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:03a1aae460621f57c60952eb68aff6d32c937af0f638c8206627ece77cf2c4b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209638570
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Mozart: Nannerl's Music Book: Allegro in B-Flat Major, K. 3 · Machine-readable JSON-LD