ISRC FRZ209907910
Verified recording
FRZ209907910 is “Bach, JS: Markus-Passion, BWV 247: No. 36c, Rezitativ. "Er aber fieng an sich zu verfluchen"” by Ton Koopman,
registered on the CopyrightChains blockchain with CopyrightID
0xf4596761f4a61f40158f22ace3f9e7dbe0f233660883dc91813fa4ebdaadd429 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/FRZ209907910.
Recording identifiers
- ISRC
- FRZ209907910
- Title
- Bach, JS: Markus-Passion, BWV 247: No. 36c, Rezitativ. "Er aber fieng an sich zu verfluchen"
- Artist
- Ton Koopman
- CopyrightID (CopyrightChains transaction hash)
0xf4596761f4a61f40158f22ace3f9e7dbe0f233660883dc91813fa4ebdaadd429
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0f85096a2089acdc9bf7827ea30327eae2bc24ae8f4234dc7e3e19d6c2f736ec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907910
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Bach, JS: Markus-Passion, BWV 247: No. 36c, Rezitativ. "Er aber fieng an sich zu verfluchen" · Machine-readable JSON-LD