ISRC CH9212100030

Verified recording

CH9212100030 is “Ich hatte viel Bekümmernis, BWV 21: 8. Arie (Duett Sopran, Bass) - Komm, mein Jesu - Live” by Johann Sebastian Bach, registered on the CopyrightChains blockchain with CopyrightID 0xb3977320c04fd2a671f31bc9537d2bb9c1b33e576d6b0473ab2e406355e0a07f 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/CH9212100030.

Recording identifiers

ISRC
CH9212100030
Title
Ich hatte viel Bekümmernis, BWV 21: 8. Arie (Duett Sopran, Bass) - Komm, mein Jesu - Live
Artist
Johann Sebastian Bach
CopyrightID (CopyrightChains transaction hash)
0xb3977320c04fd2a671f31bc9537d2bb9c1b33e576d6b0473ab2e406355e0a07f

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:bf2cb36d9609d7f04ed445fb78065bd91292fe1484a96798aa2c73fabea2638f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100030
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Ich hatte viel Bekümmernis, BWV 21: 8. Arie (Duett Sopran, Bass) - Komm, mein Jesu - Live · Machine-readable JSON-LD