ISRC NLA507921520
Verified recording
NLA507921520 is “Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xa3417a3143fec5b8c204cd64589c37f1c514e3db05d9071724e3bc1ebee865a1 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507921520.
Recording identifiers
- ISRC
- NLA507921520
- Title
- Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xa3417a3143fec5b8c204cd64589c37f1c514e3db05d9071724e3bc1ebee865a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:f90c8e93e3d2b62c1081f85ddbe402507f14a11f2e799a903b28e3a513ad6c40- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507921520
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto · Machine-readable JSON-LD