ISRC CH9211100009
Verified recording
CH9211100009 is “Kantate zum 4. Sonntag nach Epiphanias, BWV 81 "Jesus schläft, was soll ich hoffen?": I. Arie. "Jesus schläft, was soll ich hoffen?" (Alt)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x3ff176c7eef84fb122df9c15af64cbefe06367d746f4d2d6d34e326ec26635c2 and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100009.
Recording identifiers
- ISRC
- CH9211100009
- Title
- Kantate zum 4. Sonntag nach Epiphanias, BWV 81 "Jesus schläft, was soll ich hoffen?": I. Arie. "Jesus schläft, was soll ich hoffen?" (Alt)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x3ff176c7eef84fb122df9c15af64cbefe06367d746f4d2d6d34e326ec26635c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:df03265651b1b750218eccc1a0ea3a4238f2b99d14fd627a0c3d5ddfacb87a6a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100009
- Bitcoin block existence check
- https://blockstream.info/api/block/960247
Full record
Track page: Kantate zum 4. Sonntag nach Epiphanias, BWV 81 "Jesus schläft, was soll ich hoffen?": I. Arie. "Jesus schläft, was soll ich hoffen?" (Alt) · Machine-readable JSON-LD