ISRC GBBBA0540637
Verified recording
GBBBA0540637 is “Das Wohltemperierte Klavier: Book 2, BWV 870-893: Prelude in A major BWV 888” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x741eca138962956fe1e6ecd2bcffadb7e6f8c4e32b4186bdba24042bc314482c 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/GBBBA0540637.
Recording identifiers
- ISRC
- GBBBA0540637
- Title
- Das Wohltemperierte Klavier: Book 2, BWV 870-893: Prelude in A major BWV 888
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x741eca138962956fe1e6ecd2bcffadb7e6f8c4e32b4186bdba24042bc314482c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c32e106589b746399ab9cc313c73be7068a2b4adb394137123a51e57f87ba9ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0540637
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Das Wohltemperierte Klavier: Book 2, BWV 870-893: Prelude in A major BWV 888 · Machine-readable JSON-LD