ISRC NLA508500489
Verified recording
NLA508500489 is “Prelude and Fugue in B flat (WTK, Book II, No. 21), BWV 890: Prelude” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x1b373e9f355eee4baef8c663e2104998a40adabd7f7340c9ec7f14d7e682aed5 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508500489.
Recording identifiers
- ISRC
- NLA508500489
- Title
- Prelude and Fugue in B flat (WTK, Book II, No. 21), BWV 890: Prelude
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x1b373e9f355eee4baef8c663e2104998a40adabd7f7340c9ec7f14d7e682aed5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:e671b6d0270d890f0549e603d859a55943180a2e456d884f403912169e687e82- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508500489
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Prelude and Fugue in B flat (WTK, Book II, No. 21), BWV 890: Prelude · Machine-readable JSON-LD