ISRC FR7JM2536040
Verified recording
FR7JM2536040 is “Weinen, Klagen, Sorgen, Zagen, BWV 12: IV. Aria "Kreuz und Krone sind verbunden"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x728c3f1319fcfddc5e9ca4a1e61f11b19463528852a5dc8b2e5c844cb38abb5c 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/FR7JM2536040.
Recording identifiers
- ISRC
- FR7JM2536040
- Title
- Weinen, Klagen, Sorgen, Zagen, BWV 12: IV. Aria "Kreuz und Krone sind verbunden"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x728c3f1319fcfddc5e9ca4a1e61f11b19463528852a5dc8b2e5c844cb38abb5c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ebc3e0a7b062a906cea74a52d5b752257f80d2aa8ca0810ec84a2d85d05a2ae6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2536040
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Weinen, Klagen, Sorgen, Zagen, BWV 12: IV. Aria "Kreuz und Krone sind verbunden" · Machine-readable JSON-LD