ISRC FRZ209907740
Verified recording
FRZ209907740 is “Bach, JS: Markus-Passion, BWV 247: No. 23, Rezitativ. "Und alsbald, da er noch redete"” by Ton Koopman,
registered on the CopyrightChains blockchain with CopyrightID
0x26fd68cd02a0146c0640d5972de48c13be7ce576655b2ebf8f30962f4311f00f 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/FRZ209907740.
Recording identifiers
- ISRC
- FRZ209907740
- Title
- Bach, JS: Markus-Passion, BWV 247: No. 23, Rezitativ. "Und alsbald, da er noch redete"
- Artist
- Ton Koopman
- CopyrightID (CopyrightChains transaction hash)
0x26fd68cd02a0146c0640d5972de48c13be7ce576655b2ebf8f30962f4311f00f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a27d7062b30d4743b7aaff84282eecdaf0504d0d9afbfc81769213adfa415822- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907740
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Bach, JS: Markus-Passion, BWV 247: No. 23, Rezitativ. "Und alsbald, da er noch redete" · Machine-readable JSON-LD