ISRC NLA507921519
Verified recording
NLA507921519 is “Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x1c8600b34c48fb221c13d8da919bb0b3af5f0d9a55e23c1e6117fc4806ade3e5 and independently timestamped
in Bitcoin block 959123 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507921519.
Recording identifiers
- ISRC
- NLA507921519
- Title
- Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x1c8600b34c48fb221c13d8da919bb0b3af5f0d9a55e23c1e6117fc4806ade3e5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T11:35:32+00:00
- Bitcoin block
- 959123
- Canonical record hash
sha256:bbbe5c822675d409b80d907941f39185dbede1ea410e8c8726ec42b94f402222- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507921519
- Bitcoin block existence check
- https://blockstream.info/api/block/959123
Full record
Track page: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante · Machine-readable JSON-LD