ISRC FRZ141320050

Verified recording

FRZ141320050 is “Concerto No. 4 in A Major, BWV 1055: II. Larghetto” by Johann Sebastian Bach, registered on the CopyrightChains blockchain with CopyrightID 0x7efa18ca5f30fa2433c7814c3672db4daaa1ecfc5820f7e775e4e27798478624 and independently timestamped in Bitcoin block 960273 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141320050.

Recording identifiers

ISRC
FRZ141320050
Title
Concerto No. 4 in A Major, BWV 1055: II. Larghetto
Artist
Johann Sebastian Bach
CopyrightID (CopyrightChains transaction hash)
0x7efa18ca5f30fa2433c7814c3672db4daaa1ecfc5820f7e775e4e27798478624

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38+00:00
Bitcoin block
960273
Canonical record hash
sha256:257a305999cb51f2183d36fd59c0f3d211e449f6cd9c51770624cb02bc8ea7d8
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141320050
Bitcoin block existence check
https://blockstream.info/api/block/960273

Full record

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