ISRC NLB159300001
Verified recording
NLB159300001 is “Etudes-tableaux, Op. 33: No. 1 in F Minor. Allegro non troppo” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x7937b3d48ecb367b76c2a4b107b263c55055e011e7e293308eae8f2c0df75715 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB159300001.
Recording identifiers
- ISRC
- NLB159300001
- Title
- Etudes-tableaux, Op. 33: No. 1 in F Minor. Allegro non troppo
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x7937b3d48ecb367b76c2a4b107b263c55055e011e7e293308eae8f2c0df75715
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:5038965790ec8ac88ea9f069ea40bcc3d9db6ec58e7012b7f9b72960d8d5b6c3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB159300001
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Etudes-tableaux, Op. 33: No. 1 in F Minor. Allegro non troppo · Machine-readable JSON-LD