ISRC NLK170600273
Verified recording
NLK170600273 is “Ein Feste Burg ist unser Gott BWV 80: Recitative: Erwäge doch, Kind Gottes” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x1baf7ab6c41642a76a8af48d9467bae7455034e586718264d5a4f1e6d058d5bd and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK170600273.
Recording identifiers
- ISRC
- NLK170600273
- Title
- Ein Feste Burg ist unser Gott BWV 80: Recitative: Erwäge doch, Kind Gottes
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x1baf7ab6c41642a76a8af48d9467bae7455034e586718264d5a4f1e6d058d5bd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:b98f21e8e783bda527e295e42d0f49ac3bb5caca5b785fdf0bd72f59587d64a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK170600273
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Ein Feste Burg ist unser Gott BWV 80: Recitative: Erwäge doch, Kind Gottes · Machine-readable JSON-LD