ISRC NLA509601401
Verified recording
NLA509601401 is “St. Matthew Passion, BWV 244 / Part One: No. 1 Chorus I/II: "Kommt, ihr Töchter, helft mir klagen"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4496ef49fb38f645caac60387ec66940d01cb234cbe8d1830090bebd6bcccb4a and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509601401.
Recording identifiers
- ISRC
- NLA509601401
- Title
- St. Matthew Passion, BWV 244 / Part One: No. 1 Chorus I/II: "Kommt, ihr Töchter, helft mir klagen"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4496ef49fb38f645caac60387ec66940d01cb234cbe8d1830090bebd6bcccb4a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:f4f3745fc00f252448fe41734aa0ddbbbea8e35515934b6178ab24dc7ea8c763- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509601401
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: St. Matthew Passion, BWV 244 / Part One: No. 1 Chorus I/II: "Kommt, ihr Töchter, helft mir klagen" · Machine-readable JSON-LD