ISRC GBAYC8802872
Verified recording
GBAYC8802872 is “Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": IV. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb7041eeb302f2b89f42c5bfffb4f952582f154b20fb2717e454e79736c811b09 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802872.
Recording identifiers
- ISRC
- GBAYC8802872
- Title
- Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": IV. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb7041eeb302f2b89f42c5bfffb4f952582f154b20fb2717e454e79736c811b09
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f5d30af8cea380d6abc773f4d314d4e8e35166052e8b8eea67429e3af2a51944- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802872
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": IV. Allegro · Machine-readable JSON-LD