ISRC NLB151000273
Verified recording
NLB151000273 is “Matthäus-Passion BWV 244: Recitativo (Tenore): O Schmerz!; Choral (Chorus II): Was ist die Ursach” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4d09d3f11029df6a7cbb77b31ef7b813cc75540ebe2e4a7f62487ba30f6bd9b2 and independently timestamped
in Bitcoin block 960179 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151000273.
Recording identifiers
- ISRC
- NLB151000273
- Title
- Matthäus-Passion BWV 244: Recitativo (Tenore): O Schmerz!; Choral (Chorus II): Was ist die Ursach
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4d09d3f11029df6a7cbb77b31ef7b813cc75540ebe2e4a7f62487ba30f6bd9b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:39:11+00:00
- Bitcoin block
- 960179
- Canonical record hash
sha256:ec4a22a6c174e6e1ff86c39041188c89f73fc78ae8b356ede412a9ac77b0ab1a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151000273
- Bitcoin block existence check
- https://blockstream.info/api/block/960179
Full record
Track page: Matthäus-Passion BWV 244: Recitativo (Tenore): O Schmerz!; Choral (Chorus II): Was ist die Ursach · Machine-readable JSON-LD