ISRC GBAYC8802869
Verified recording
GBAYC8802869 is “Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": I. Allegretto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3881b93aaf21d9f4854aecc92e02869308a7db46325f8fd0eb17b50691d56641 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802869.
Recording identifiers
- ISRC
- GBAYC8802869
- Title
- Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": I. Allegretto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3881b93aaf21d9f4854aecc92e02869308a7db46325f8fd0eb17b50691d56641
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:ed76d90ee1a516618465f3a6aa05913d1130e394071583a0a06e30c1efb6fd54- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802869
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: Mozart: String Quartet No. 20 in D Major, K. 499 "Hoffmeister": I. Allegretto · Machine-readable JSON-LD