ISRC NLK170300175
Verified recording
NLK170300175 is “Ach wie flüchtig, ach wie nichtig BWV 26” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x61b6b0deec599ddf4881bb4dd1fa3f618a67de59afbced44d8ed896ed0700cd6 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK170300175.
Recording identifiers
- ISRC
- NLK170300175
- Title
- Ach wie flüchtig, ach wie nichtig BWV 26
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x61b6b0deec599ddf4881bb4dd1fa3f618a67de59afbced44d8ed896ed0700cd6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:3fbc95d14dcb8564bc644e9d707f660073eaf16b880bf157e9cd21f3ed3e0346- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK170300175
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Ach wie flüchtig, ach wie nichtig BWV 26 · Machine-readable JSON-LD