ISRC NLY331306524

Verified recording

NLY331306524 is “Duos for Two Cellos, Op. 49 No. 4 in G Major: II. Rondo. Allegretto” by Jacques Offenbach, registered on the CopyrightChains blockchain with CopyrightID 0x31277f4e0917ebf82723d684e1551fb9207c0bd2a173e4ab62750e9f85384102 and independently timestamped in Bitcoin block 960478 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331306524.

Recording identifiers

ISRC
NLY331306524
Title
Duos for Two Cellos, Op. 49 No. 4 in G Major: II. Rondo. Allegretto
Artist
Jacques Offenbach
CopyrightID (CopyrightChains transaction hash)
0x31277f4e0917ebf82723d684e1551fb9207c0bd2a173e4ab62750e9f85384102

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38+00:00
Bitcoin block
960478
Canonical record hash
sha256:8c0ee5e9f55cb954f2c24ab7b22867e6e721f6012deab70c1dd024cc3f301dc2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331306524
Bitcoin block existence check
https://blockstream.info/api/block/960478

Full record

Track page: Duos for Two Cellos, Op. 49 No. 4 in G Major: II. Rondo. Allegretto · Machine-readable JSON-LD