ISRC NLA507201026
Verified recording
NLA507201026 is “Andante spianato et Grande Polonaise brillante in E flat, Op. 22: Andante spianato” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xac65f19b3d9e9f5c485d2fce66b93fc7b63a769dd84f8da642582d63317118a0 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507201026.
Recording identifiers
- ISRC
- NLA507201026
- Title
- Andante spianato et Grande Polonaise brillante in E flat, Op. 22: Andante spianato
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xac65f19b3d9e9f5c485d2fce66b93fc7b63a769dd84f8da642582d63317118a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:57962925e3bf956f202e9c2b5ff9b13d4912614408d1438a1a05690240a31b35- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507201026
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Andante spianato et Grande Polonaise brillante in E flat, Op. 22: Andante spianato · Machine-readable JSON-LD