ISRC GBF077311901
Verified recording
GBF077311901 is “Piano Sonata No. 11 in A Major, K. 331: 1. Theme (Andante grazioso)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xe7d95af1ee8bbdbbe90a481d02a56b5cc25d4964afb6568b14090848a4d9b2c9 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077311901.
Recording identifiers
- ISRC
- GBF077311901
- Title
- Piano Sonata No. 11 in A Major, K. 331: 1. Theme (Andante grazioso)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xe7d95af1ee8bbdbbe90a481d02a56b5cc25d4964afb6568b14090848a4d9b2c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:2aa15f9889d77194c34eed974fcd6521bdf2e70d4033d03f156a6efeb18a4f66- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077311901
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Piano Sonata No. 11 in A Major, K. 331: 1. Theme (Andante grazioso) · Machine-readable JSON-LD