ISRC NLA507921511
Verified recording
NLA507921511 is “Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x25fb4762a12262ca8f0d75211937c437b5b27a1a301ac775de5fdd09abd0e228 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/NLA507921511.
Recording identifiers
- ISRC
- NLA507921511
- Title
- Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x25fb4762a12262ca8f0d75211937c437b5b27a1a301ac775de5fdd09abd0e228
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:7433121872aaa75b33b42d5ec28ed0107d5d4f211cfba53d718bfee663f4ab5a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507921511
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro · Machine-readable JSON-LD