ISRC FRZ051500725
Verified recording
FRZ051500725 is “Choral Prelude, BWV 639: "Ich ruf' zu dir, Herr Jesu Christ"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x2f87e674130ff34aaee31630f3cd00606426c4c3182dfeab4e86ec3a144050a0 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051500725.
Recording identifiers
- ISRC
- FRZ051500725
- Title
- Choral Prelude, BWV 639: "Ich ruf' zu dir, Herr Jesu Christ"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x2f87e674130ff34aaee31630f3cd00606426c4c3182dfeab4e86ec3a144050a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:8e055106174ba03d492e62290ecdf5a01eb9ad6851cc487aba941ea0832a18a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051500725
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Choral Prelude, BWV 639: "Ich ruf' zu dir, Herr Jesu Christ" · Machine-readable JSON-LD