ISRC NLA460914123
Verified recording
NLA460914123 is “XIV. Contrapunctus inversus XII a 4. Forma recta” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x73e5c083176cc11193db35e31ead44cc2343a33d7cf2f1617bf54175da59ebe6 and independently timestamped
in Bitcoin block 960509 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460914123.
Recording identifiers
- ISRC
- NLA460914123
- Title
- XIV. Contrapunctus inversus XII a 4. Forma recta
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x73e5c083176cc11193db35e31ead44cc2343a33d7cf2f1617bf54175da59ebe6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T04:30:37+00:00
- Bitcoin block
- 960509
- Canonical record hash
sha256:7490ccd63adca7ca3ef9cb53e6ceb9c981f0e83d9ba965ce204764089cee15f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460914123
- Bitcoin block existence check
- https://blockstream.info/api/block/960509
Full record
Track page: XIV. Contrapunctus inversus XII a 4. Forma recta · Machine-readable JSON-LD