ISRC NLN580571290
Verified recording
NLN580571290 is “Notebook for Anna Magdalena Bach: Polonaise, BWV Anh. 119” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x03abb03309b9890d771bd04b0be89e97df55c9d80b7b6f221aa7ca6a4c660bed 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/NLN580571290.
Recording identifiers
- ISRC
- NLN580571290
- Title
- Notebook for Anna Magdalena Bach: Polonaise, BWV Anh. 119
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x03abb03309b9890d771bd04b0be89e97df55c9d80b7b6f221aa7ca6a4c660bed
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0043eed0640e5f2bb35753dbe6f6a90052dd73a3923da1fa9f685cb0b4022773- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580571290
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Notebook for Anna Magdalena Bach: Polonaise, BWV Anh. 119 · Machine-readable JSON-LD