ISRC NLB151300163

Verified recording

NLB151300163 is “Concerto for violin, cello and piano in C major op. 56 “Triple Concerto” : Rondo alla polacca” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0xb8670f334a7250d2e1c0fded2ea44e7c76e8eeb09a969aa49ca8bd4b642ef24b and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151300163.

Recording identifiers

ISRC
NLB151300163
Title
Concerto for violin, cello and piano in C major op. 56 “Triple Concerto” : Rondo alla polacca
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0xb8670f334a7250d2e1c0fded2ea44e7c76e8eeb09a969aa49ca8bd4b642ef24b

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:44c7e806c1358369adaba5476ad48d5e6f0d60d135ff995b537f50729c079eba
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151300163
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Concerto for violin, cello and piano in C major op. 56 “Triple Concerto” : Rondo alla polacca · Machine-readable JSON-LD