ISRC NLG620514589

Verified recording

NLG620514589 is “Matthäus-Passion, BWV 244, Pt. 1: No. 22. Rezitativ "Petrus Aber Antwortete"” by Ernst Haefliger, registered on the CopyrightChains blockchain with CopyrightID 0xa8dd1ceda873962dfe2647c02478c1c1c8743ece1653e95cd96230fb1e766ecb and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620514589.

Recording identifiers

ISRC
NLG620514589
Title
Matthäus-Passion, BWV 244, Pt. 1: No. 22. Rezitativ "Petrus Aber Antwortete"
Artist
Ernst Haefliger
CopyrightID (CopyrightChains transaction hash)
0xa8dd1ceda873962dfe2647c02478c1c1c8743ece1653e95cd96230fb1e766ecb

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:09e36137e45f3cea4a64d38d2d4b010ae7ce23e9c60d8d3e8d09ba7d5df1c2a4
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620514589
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Matthäus-Passion, BWV 244, Pt. 1: No. 22. Rezitativ "Petrus Aber Antwortete" · Machine-readable JSON-LD