ISRC GBAYC8601581

Verified recording

GBAYC8601581 is “Bach, JS: Piano Concerto No. 4 in A Major, BWV 1055: II. Larghetto” by Johann Sebastian Bach, registered on the CopyrightChains blockchain with CopyrightID 0xf20f342ba9f7be41f5810d450769d7b4e561b6a86d534da54b80f116116a1451 and independently timestamped in Bitcoin block 960478 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8601581.

Recording identifiers

ISRC
GBAYC8601581
Title
Bach, JS: Piano Concerto No. 4 in A Major, BWV 1055: II. Larghetto
Artist
Johann Sebastian Bach
CopyrightID (CopyrightChains transaction hash)
0xf20f342ba9f7be41f5810d450769d7b4e561b6a86d534da54b80f116116a1451

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38+00:00
Bitcoin block
960478
Canonical record hash
sha256:8a586582dfdf88b751f052a4c67829aa655bb88fe9ea48ffffe7e17ef20dca35
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8601581
Bitcoin block existence check
https://blockstream.info/api/block/960478

Full record

Track page: Bach, JS: Piano Concerto No. 4 in A Major, BWV 1055: II. Larghetto · Machine-readable JSON-LD