ISRC NLK170300173
Verified recording
NLK170300173 is “Ach wie flüchtig, ach wie nichtig BWV 26” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xb815524013e678037c7c82dc881943175bcc05d63e6061c28cea21d10e29b6c1 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK170300173.
Recording identifiers
- ISRC
- NLK170300173
- Title
- Ach wie flüchtig, ach wie nichtig BWV 26
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xb815524013e678037c7c82dc881943175bcc05d63e6061c28cea21d10e29b6c1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:60af84a799e4f8bcde6e18747873bb2ad061cefcf66b32b39d2c8e69e7088d4f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK170300173
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Ach wie flüchtig, ach wie nichtig BWV 26 · Machine-readable JSON-LD