ISRC NLA507400161
Verified recording
NLA507400161 is “Violin Concerto in D Major, Op. 61: 1. Allegro ma non troppo - Cadenza: Fritz Kreisler” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x28b7834122554dea20b300370508b702ceda14045c490592ee89f175ba53ca55 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400161.
Recording identifiers
- ISRC
- NLA507400161
- Title
- Violin Concerto in D Major, Op. 61: 1. Allegro ma non troppo - Cadenza: Fritz Kreisler
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x28b7834122554dea20b300370508b702ceda14045c490592ee89f175ba53ca55
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:b781c847fa7ebbebd037dbd04b6b80f775c5c7ea54c22cc3f5f2e4a41de1c9b8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400161
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: Violin Concerto in D Major, Op. 61: 1. Allegro ma non troppo - Cadenza: Fritz Kreisler · Machine-readable JSON-LD