ISRC NLG761930301
Verified recording
NLG761930301 is “Rachmaninov: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro, ma non tanto” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x9be83cad6f23063452131f1dd69726679e8301af335f3d3855b92ad788d9001d and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG761930301.
Recording identifiers
- ISRC
- NLG761930301
- Title
- Rachmaninov: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro, ma non tanto
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x9be83cad6f23063452131f1dd69726679e8301af335f3d3855b92ad788d9001d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:5e249bfc12b3962c88dbfae08eb3d54be3de234bacd18289ec94213d7441a1d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG761930301
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Rachmaninov: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro, ma non tanto · Machine-readable JSON-LD