ISRC FR3Z51900004
Verified recording
FR3Z51900004 is “Choral Erbarm' dich mein, o Herre Gott, BWV 721” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xbd3cafadcd917bf520a0bdc92582d2b98147cff7a8d7c24a5735761f2d644d59 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z51900004.
Recording identifiers
- ISRC
- FR3Z51900004
- Title
- Choral Erbarm' dich mein, o Herre Gott, BWV 721
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xbd3cafadcd917bf520a0bdc92582d2b98147cff7a8d7c24a5735761f2d644d59
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:2548f772361512488b07a7a408a8daa191cd004c28f79677c845a40136e10091- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z51900004
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Choral Erbarm' dich mein, o Herre Gott, BWV 721 · Machine-readable JSON-LD