ISRC DEN962400235

Verified recording

DEN962400235 is “Cantata, BWV 12: Weinen, Klagen, Sorgen, Zagen (Arr. Ólafsson for Piano)” by Johann Sebastian Bach, registered on the CopyrightChains blockchain with CopyrightID 0xb904b387f26b56aa90bf8b3bdec96830944793adab057d9b5f1b8a121ee3e004 and independently timestamped in Bitcoin block 953515 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962400235.

Recording identifiers

ISRC
DEN962400235
Title
Cantata, BWV 12: Weinen, Klagen, Sorgen, Zagen (Arr. Ólafsson for Piano)
Artist
Johann Sebastian Bach
CopyrightID (CopyrightChains transaction hash)
0xb904b387f26b56aa90bf8b3bdec96830944793adab057d9b5f1b8a121ee3e004

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06+00:00
Bitcoin block
953515
Canonical record hash
sha256:7ebc18e38edacba7f82e635571ed78ad1859d4fd2f95fabb6e022b9ffacd00cc
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962400235
Bitcoin block existence check
https://blockstream.info/api/block/953515

Full record

Track page: Cantata, BWV 12: Weinen, Klagen, Sorgen, Zagen (Arr. Ólafsson for Piano) · Machine-readable JSON-LD