ISRC DEF059231131
Verified recording
DEF059231131 is “Goldberg Variations, BWV 988: Var. 30 (Quodlibet)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x801ad774646a98d16183a81cbcbd894bdabb9b793d0eb087da95a2e00aa7167f and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231131.
Recording identifiers
- ISRC
- DEF059231131
- Title
- Goldberg Variations, BWV 988: Var. 30 (Quodlibet)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x801ad774646a98d16183a81cbcbd894bdabb9b793d0eb087da95a2e00aa7167f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:74f94e6aba831ca5052ae2b6866bb5c27837f775a7f68166e9beb79961aa27cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231131
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Goldberg Variations, BWV 988: Var. 30 (Quodlibet) · Machine-readable JSON-LD