ISRC DEF055830301
Verified recording
DEF055830301 is “St. Matthew Passion, BWV 244, Pt. 1: No. 1, Chorus: "Kommt, ihr Töchter, helft mir klagen"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4b84cad1753d7430ef540ee294ef6f19584766ade1c89784e6fc3d932b2fad26 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/DEF055830301.
Recording identifiers
- ISRC
- DEF055830301
- Title
- St. Matthew Passion, BWV 244, Pt. 1: No. 1, Chorus: "Kommt, ihr Töchter, helft mir klagen"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4b84cad1753d7430ef540ee294ef6f19584766ade1c89784e6fc3d932b2fad26
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:464a167c4c51fae4fd13b290e34e1670228f22fd2c004e9ccb996ff4ac4429d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055830301
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: St. Matthew Passion, BWV 244, Pt. 1: No. 1, Chorus: "Kommt, ihr Töchter, helft mir klagen" · Machine-readable JSON-LD