ISRC GBUM72407607
Verified recording
GBUM72407607 is “The Well-Tempered Clavier, Book 2: Prelude No. 21, BWV 890/1 - Excerpt” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xed88f739dae23691174e1c2223c758787add3a189cfc3bf5f5367ebc641275e7 and independently timestamped
in Bitcoin block 959107 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72407607.
Recording identifiers
- ISRC
- GBUM72407607
- Title
- The Well-Tempered Clavier, Book 2: Prelude No. 21, BWV 890/1 - Excerpt
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xed88f739dae23691174e1c2223c758787add3a189cfc3bf5f5367ebc641275e7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T07:19:23+00:00
- Bitcoin block
- 959107
- Canonical record hash
sha256:c779686f0568a979f1c6eec87149f8fe77ac3a2dd6ed302ca2c94f7295df5d26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72407607
- Bitcoin block existence check
- https://blockstream.info/api/block/959107
Full record
Track page: The Well-Tempered Clavier, Book 2: Prelude No. 21, BWV 890/1 - Excerpt · Machine-readable JSON-LD