ISRC NLN580537474
Verified recording
NLN580537474 is “III. Ich Hatte Viel Bekümmernis BWV 21, Prima Parte, 2. Coro: Ich Hatte Viel Bekümmernis” by Pieter Jan Leusink,
registered on the CopyrightChains blockchain with CopyrightID
0x7fbe6ef6cab5bded1ae305b1c7d64417aa5ba78ceac1a229de981c44f2f60042 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580537474.
Recording identifiers
- ISRC
- NLN580537474
- Title
- III. Ich Hatte Viel Bekümmernis BWV 21, Prima Parte, 2. Coro: Ich Hatte Viel Bekümmernis
- Artist
- Pieter Jan Leusink
- CopyrightID (CopyrightChains transaction hash)
0x7fbe6ef6cab5bded1ae305b1c7d64417aa5ba78ceac1a229de981c44f2f60042
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f84bfaa795bb7551582026704f33f11f294cd82ae03270ac059e7872d8273e90- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580537474
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: III. Ich Hatte Viel Bekümmernis BWV 21, Prima Parte, 2. Coro: Ich Hatte Viel Bekümmernis · Machine-readable JSON-LD