ISRC NLA507300484
Verified recording
NLA507300484 is “24 Preludes, Op. 28: No. 13 in F-Sharp Minor. Lento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x23b97d6a3dfa8c659ec33cfd542664eedb385216b4d0dd6e2dfe0cf6c19642d8 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/NLA507300484.
Recording identifiers
- ISRC
- NLA507300484
- Title
- 24 Preludes, Op. 28: No. 13 in F-Sharp Minor. Lento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x23b97d6a3dfa8c659ec33cfd542664eedb385216b4d0dd6e2dfe0cf6c19642d8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e1ec95df1e4057cfc54b1f41b3155135acfc00d8f7e9d33823acd95a4d1f22cb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300484
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 24 Preludes, Op. 28: No. 13 in F-Sharp Minor. Lento · Machine-readable JSON-LD