ISRC FRZ209907640
Verified recording
FRZ209907640 is “Bach, JS: Markus-Passion, BWV 247: No. 14, Rezitativ. "Er antwortete, und sprach zu"” by Ton Koopman,
registered on the CopyrightChains blockchain with CopyrightID
0xc901fe16bc517be2cfb8e5b9e68e32ae2f5fea86cb202870298795d2c00e3e2e 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/FRZ209907640.
Recording identifiers
- ISRC
- FRZ209907640
- Title
- Bach, JS: Markus-Passion, BWV 247: No. 14, Rezitativ. "Er antwortete, und sprach zu"
- Artist
- Ton Koopman
- CopyrightID (CopyrightChains transaction hash)
0xc901fe16bc517be2cfb8e5b9e68e32ae2f5fea86cb202870298795d2c00e3e2e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:853cc5eaca9c933b592b1f30054053f404459fb0f8435a1968c2fd6f629f1dc9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907640
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Bach, JS: Markus-Passion, BWV 247: No. 14, Rezitativ. "Er antwortete, und sprach zu" · Machine-readable JSON-LD