ISRC FRZ140339050
Verified recording
FRZ140339050 is “Weinen, Klagen, Sorgen, Zagen, BWV 12: V. Aria "Ich folge Christo nach"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x8508b79e8a31a91c7fa66a97e9c52f98414679584afca4ddec0a9e66137b2b51 and independently timestamped
in Bitcoin block 957050 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140339050.
Recording identifiers
- ISRC
- FRZ140339050
- Title
- Weinen, Klagen, Sorgen, Zagen, BWV 12: V. Aria "Ich folge Christo nach"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x8508b79e8a31a91c7fa66a97e9c52f98414679584afca4ddec0a9e66137b2b51
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:41:13+00:00
- Bitcoin block
- 957050
- Canonical record hash
sha256:b847a71367d723adef9821954bab53323d283f703a1ef6950b8d68cfaaa5dee0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140339050
- Bitcoin block existence check
- https://blockstream.info/api/block/957050
Full record
Track page: Weinen, Klagen, Sorgen, Zagen, BWV 12: V. Aria "Ich folge Christo nach" · Machine-readable JSON-LD