ISRC NLA507400165
Verified recording
NLA507400165 is “Symphony in E flat, Op. 18, No. 1: 2. Andante” by Johann Christian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x8c449117592c9be5dc34c8adb93fe8f47ed5b2caaaa64a768edb39d4b39c9d22 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400165.
Recording identifiers
- ISRC
- NLA507400165
- Title
- Symphony in E flat, Op. 18, No. 1: 2. Andante
- Artist
- Johann Christian Bach
- CopyrightID (CopyrightChains transaction hash)
0x8c449117592c9be5dc34c8adb93fe8f47ed5b2caaaa64a768edb39d4b39c9d22
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:7af7cca5071018efc114fb6d739d02b9808ef1c35b569b72a894ecfa084d2b93- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400165
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Symphony in E flat, Op. 18, No. 1: 2. Andante · Machine-readable JSON-LD