ISRC NLG620514585
Verified recording
NLG620514585 is “Matthäus-Passion, BWV 244, Pt. 1: No. 18. Rezitativ "Wiewohl Mein Herz"” by Irmgard Seefried,
registered on the CopyrightChains blockchain with CopyrightID
0x3e5a14f2b9d9a846d75c9435962c5590ff8e659f13aa1eb23c6cc19cae05f38a and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620514585.
Recording identifiers
- ISRC
- NLG620514585
- Title
- Matthäus-Passion, BWV 244, Pt. 1: No. 18. Rezitativ "Wiewohl Mein Herz"
- Artist
- Irmgard Seefried
- CopyrightID (CopyrightChains transaction hash)
0x3e5a14f2b9d9a846d75c9435962c5590ff8e659f13aa1eb23c6cc19cae05f38a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:25f313de28674d7f80f95b51a56fb1fc07af2b077050e44a9e13649bc16e7691- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620514585
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Matthäus-Passion, BWV 244, Pt. 1: No. 18. Rezitativ "Wiewohl Mein Herz" · Machine-readable JSON-LD