ISRC GBAYC9703223
Verified recording
GBAYC9703223 is “Piano Concerto No. 21 in C Major, K. 467: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x0b521f87c310b3b2a6ff4063ae3af8a9fb4229c7062bcce510336979a495df29 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9703223.
Recording identifiers
- ISRC
- GBAYC9703223
- Title
- Piano Concerto No. 21 in C Major, K. 467: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x0b521f87c310b3b2a6ff4063ae3af8a9fb4229c7062bcce510336979a495df29
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:ea3e47a57c245e9575284143f28ff2aebfedb3ff6ef9640c72ab82c9c62db2ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9703223
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Piano Concerto No. 21 in C Major, K. 467: II. Andante · Machine-readable JSON-LD