ISRC CH9211100069
Verified recording
CH9211100069 is “Kantate zum 1. Weihnachtstag, BWV 63 "Christen, ätzet diesen Tag": IV. Rezitativ. "So kehret sich nun heut das bange Leid" (Tenor)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xf68dcb6c39fec06cab611af6fb7c418c4dc6602ac3f86d0f24d1a4b45a4fd1a6 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100069.
Recording identifiers
- ISRC
- CH9211100069
- Title
- Kantate zum 1. Weihnachtstag, BWV 63 "Christen, ätzet diesen Tag": IV. Rezitativ. "So kehret sich nun heut das bange Leid" (Tenor)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xf68dcb6c39fec06cab611af6fb7c418c4dc6602ac3f86d0f24d1a4b45a4fd1a6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:1bfeecdcde06818b0a25cdae12d897626c153152480e7d9d372f234f4c7cf5ad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100069
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Kantate zum 1. Weihnachtstag, BWV 63 "Christen, ätzet diesen Tag": IV. Rezitativ. "So kehret sich nun heut das bange Leid" (Tenor) · Machine-readable JSON-LD