ISRC NLA507300488
Verified recording
NLA507300488 is “24 Preludes, Op. 28: No. 17 in A-Flat Major. Allegretto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x2e874e989af54745933b8eb0ee7adbc8768f01152a192640c207a0325996e120 and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300488.
Recording identifiers
- ISRC
- NLA507300488
- Title
- 24 Preludes, Op. 28: No. 17 in A-Flat Major. Allegretto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x2e874e989af54745933b8eb0ee7adbc8768f01152a192640c207a0325996e120
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:71070e85b0111640a390f456757b6e23e20342b2a7834c63ebd71fa862abaab8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300488
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: 24 Preludes, Op. 28: No. 17 in A-Flat Major. Allegretto · Machine-readable JSON-LD