ISRC NLB151800273
Verified recording
NLB151800273 is “Harpsichord Concerto No. 4 in A Major, BWV 1055: I. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x6ac6e24df7651b0b48e01af723ef693299e2a3ad0018845f5354d92337961bb0 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151800273.
Recording identifiers
- ISRC
- NLB151800273
- Title
- Harpsichord Concerto No. 4 in A Major, BWV 1055: I. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x6ac6e24df7651b0b48e01af723ef693299e2a3ad0018845f5354d92337961bb0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8bb48b59a6dc0c2147c05a0a7381bd30743cfcfab089042571e7bbf37a32f6cb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151800273
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Harpsichord Concerto No. 4 in A Major, BWV 1055: I. Allegro · Machine-readable JSON-LD