ISRC NLA460915411
Verified recording
NLA460915411 is “Ich hatte viel Bekümmernis, BWV 21, Erster Teil: Sinfonia” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x57fd25e47081af795830474bb7d434a4cc6f921075318a4cb2ad0c035463c670 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460915411.
Recording identifiers
- ISRC
- NLA460915411
- Title
- Ich hatte viel Bekümmernis, BWV 21, Erster Teil: Sinfonia
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x57fd25e47081af795830474bb7d434a4cc6f921075318a4cb2ad0c035463c670
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:ca1e621722bf7a87ab832a989e2ba9f61fe137adb72aa742c59d2348dd39fe1f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460915411
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Ich hatte viel Bekümmernis, BWV 21, Erster Teil: Sinfonia · Machine-readable JSON-LD