ISRC FRZ140621070
Verified recording
FRZ140621070 is “Bassoon Concerto in B-Flat Major, K.191/186e: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf5eaf2b4492385d4ee07a7b40d90c8cf5e1e8ce9213840f51a279292ebd469e4 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140621070.
Recording identifiers
- ISRC
- FRZ140621070
- Title
- Bassoon Concerto in B-Flat Major, K.191/186e: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf5eaf2b4492385d4ee07a7b40d90c8cf5e1e8ce9213840f51a279292ebd469e4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:c937b2e7389508f5348ad12bdabf39fe2df6df07bba835fc91bfba429b60c2ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140621070
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Bassoon Concerto in B-Flat Major, K.191/186e: I. Allegro · Machine-readable JSON-LD