ISRC GBAYC8802871
Verified recording
GBAYC8802871 is “Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": III. Adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3a0c1d4c3c7f1baf6f2e9e0b86c7ad4b5a28b08f2b27e2b3104f42897ffd49c2 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802871.
Recording identifiers
- ISRC
- GBAYC8802871
- Title
- Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": III. Adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3a0c1d4c3c7f1baf6f2e9e0b86c7ad4b5a28b08f2b27e2b3104f42897ffd49c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:755a61d1a2125790762e083322b45fc283959b1e03fd1bd870b0e2b08a4f54cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802871
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": III. Adagio · Machine-readable JSON-LD