ISRC NLB152300206

Verified recording

NLB152300206 is “Sonata for Cello and Piano Op. 19: III. Andante” by Sergei Rachmaninoff, registered on the CopyrightChains blockchain with CopyrightID 0xf06519eed8c45332e7bc8f359c79e979e97f8578af29177868e09d8bb912096a 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/NLB152300206.

Recording identifiers

ISRC
NLB152300206
Title
Sonata for Cello and Piano Op. 19: III. Andante
Artist
Sergei Rachmaninoff
CopyrightID (CopyrightChains transaction hash)
0xf06519eed8c45332e7bc8f359c79e979e97f8578af29177868e09d8bb912096a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:4dc724fbe5a0d1ed29f76ddd826d0cf5289893e3789040d853ad6ebbd843cbd0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152300206
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Sonata for Cello and Piano Op. 19: III. Andante · Machine-readable JSON-LD