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