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