ISRC DEF055830317
Verified recording
DEF055830317 is “St. Matthew Passion, BWV 244, Pt. 1: No. 4d, Chorus: "Wozu dienet dieser Unrat"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x9ca8478cb1de31422d6899fb8553cf4f6d2cf2687967bcee0fab6de75d33fbf3 and independently timestamped
in Bitcoin block 957048 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055830317.
Recording identifiers
- ISRC
- DEF055830317
- Title
- St. Matthew Passion, BWV 244, Pt. 1: No. 4d, Chorus: "Wozu dienet dieser Unrat"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x9ca8478cb1de31422d6899fb8553cf4f6d2cf2687967bcee0fab6de75d33fbf3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:18:56+00:00
- Bitcoin block
- 957048
- Canonical record hash
sha256:2b8615cd930352458c7a1c76eca940bdb12a06ae41899b12437653ceef255932- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055830317
- Bitcoin block existence check
- https://blockstream.info/api/block/957048
Full record
Track page: St. Matthew Passion, BWV 244, Pt. 1: No. 4d, Chorus: "Wozu dienet dieser Unrat" · Machine-readable JSON-LD