ISRC NLA507300482
Verified recording
NLA507300482 is “24 Preludes, Op. 28: No. 11 in B Major. Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x218e81fc52e0d9dd092079727b28897ac8dc2fb0610ccb1eef2b824be548371d and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300482.
Recording identifiers
- ISRC
- NLA507300482
- Title
- 24 Preludes, Op. 28: No. 11 in B Major. Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x218e81fc52e0d9dd092079727b28897ac8dc2fb0610ccb1eef2b824be548371d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:e341faaf7d9d81174f6d7e4d391431eab225a43466045408cbcf5feb40f7b3d0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300482
- Bitcoin block existence check
- https://blockstream.info/api/block/956375
Full record
Track page: 24 Preludes, Op. 28: No. 11 in B Major. Vivace · Machine-readable JSON-LD