ISRC NLN580571288
Verified recording
NLN580571288 is “Notebook for Anna Magdalena Bach: Polonaise, BWV Anh. 117” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x078e33b48801320ccc0468c713f7f20fc1348e6dc7cdc335dda494281f44f7e8 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/NLN580571288.
Recording identifiers
- ISRC
- NLN580571288
- Title
- Notebook for Anna Magdalena Bach: Polonaise, BWV Anh. 117
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x078e33b48801320ccc0468c713f7f20fc1348e6dc7cdc335dda494281f44f7e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b111724dac0dc0fe5b7d9b22c3e700c41d8b7418fed775cdc404fb47c98ab05f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580571288
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Notebook for Anna Magdalena Bach: Polonaise, BWV Anh. 117 · Machine-readable JSON-LD