ISRC FR50X1844623
Verified recording
FR50X1844623 is “Concerto for Two Keyboards in C Major, BWV 1061: II. Largo ovvero adagio” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x89d13f387b6ea711eed36c645c8274aa03f2a9685e2019f8a9ac1d6bbc8f3c9f and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1844623.
Recording identifiers
- ISRC
- FR50X1844623
- Title
- Concerto for Two Keyboards in C Major, BWV 1061: II. Largo ovvero adagio
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x89d13f387b6ea711eed36c645c8274aa03f2a9685e2019f8a9ac1d6bbc8f3c9f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:834e11b07b17603e33758bb38c3e9dab31fa763104d269aadcb723d8531cd7df- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1844623
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Concerto for Two Keyboards in C Major, BWV 1061: II. Largo ovvero adagio · Machine-readable JSON-LD