ISRC FRUM72101667
Verified recording
FRUM72101667 is “Piano Sonata No. 11 in A Major, K. 331 "Alla turca": 1b. Variation 1” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x9cbd7d9dde8ebb4cf1d5926a0e2eed28ec26274154442bbe0dded8b2a2a7ed35 and independently timestamped
in Bitcoin block 960456 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72101667.
Recording identifiers
- ISRC
- FRUM72101667
- Title
- Piano Sonata No. 11 in A Major, K. 331 "Alla turca": 1b. Variation 1
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x9cbd7d9dde8ebb4cf1d5926a0e2eed28ec26274154442bbe0dded8b2a2a7ed35
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:57+00:00
- Bitcoin block
- 960456
- Canonical record hash
sha256:b1c9af75a462147e165e05badce6abbae02713ff013f3e37e967dec8820cb1f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72101667
- Bitcoin block existence check
- https://blockstream.info/api/block/960456
Full record
Track page: Piano Sonata No. 11 in A Major, K. 331 "Alla turca": 1b. Variation 1 · Machine-readable JSON-LD