ISRC GBAYC8802870
Verified recording
GBAYC8802870 is “Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": II. Menuetto. Allegretto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xd7cf33cee4b2661b5b4a1c9eb9f2e57a72647c2a3c3f8170e63a813bbf50a828 and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802870.
Recording identifiers
- ISRC
- GBAYC8802870
- Title
- Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": II. Menuetto. Allegretto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xd7cf33cee4b2661b5b4a1c9eb9f2e57a72647c2a3c3f8170e63a813bbf50a828
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:9a665eb551b4479ea20f7bfa6ee10fc2eaa276cf89ef1a0ad405994f052091c9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802870
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": II. Menuetto. Allegretto · Machine-readable JSON-LD