ISRC FRZ209907820
Verified recording
FRZ209907820 is “Bach, JS: Markus-Passion, BWV 247: No. 31, Choral. "Was Menschenkraft"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xc38876bf54dbfda4d43a72c4df729b96070a16ffd9abb2b0819354d7285ac8f8 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907820.
Recording identifiers
- ISRC
- FRZ209907820
- Title
- Bach, JS: Markus-Passion, BWV 247: No. 31, Choral. "Was Menschenkraft"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xc38876bf54dbfda4d43a72c4df729b96070a16ffd9abb2b0819354d7285ac8f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:f757004d58fc6e2a91438f14865e1e99e5fee21d3a994a42cf0755babecde0a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907820
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Bach, JS: Markus-Passion, BWV 247: No. 31, Choral. "Was Menschenkraft" · Machine-readable JSON-LD