ISRC FRZ209202303
Verified recording
FRZ209202303 is “Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 1, Chor. "Kommt, ihr Töchter helft mir klagen"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x68ba6a647be877cfe0e5050faa8d4102b0c2add718a9841c6a9933b5c55cde4b and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202303.
Recording identifiers
- ISRC
- FRZ209202303
- Title
- Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 1, Chor. "Kommt, ihr Töchter helft mir klagen"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x68ba6a647be877cfe0e5050faa8d4102b0c2add718a9841c6a9933b5c55cde4b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:fd3cf1d60565c9bb86e5d81410655c0ca4a3e9ba5c8478465b962b3c4a3e40a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202303
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 1, Chor. "Kommt, ihr Töchter helft mir klagen" · Machine-readable JSON-LD