ISRC NLA507618301
Verified recording
NLA507618301 is “Keyboard Concerto in B-Flat Major, Op. 1 No. 1: I. Allegretto” by Johann Christian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xb7f907e7dfb3d6ccf7c6f876359d082cfcef32f7bbfe9786b0b1275efa8eac95 and independently timestamped
in Bitcoin block 957145 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507618301.
Recording identifiers
- ISRC
- NLA507618301
- Title
- Keyboard Concerto in B-Flat Major, Op. 1 No. 1: I. Allegretto
- Artist
- Johann Christian Bach
- CopyrightID (CopyrightChains transaction hash)
0xb7f907e7dfb3d6ccf7c6f876359d082cfcef32f7bbfe9786b0b1275efa8eac95
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T08:56:20+00:00
- Bitcoin block
- 957145
- Canonical record hash
sha256:789c753ce7a97584c337681e9f7cf199b6c2a52b33c808276f7bae39755b2122- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507618301
- Bitcoin block existence check
- https://blockstream.info/api/block/957145
Full record
Track page: Keyboard Concerto in B-Flat Major, Op. 1 No. 1: I. Allegretto · Machine-readable JSON-LD