ISRC NLY331306517
Verified recording
NLY331306517 is “Duos for Two Cellos, Op. 49 No. 1 in C Major: III. Rondo. Allegretto” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x5f4f280a6acdb1fbb18ba6d7a07900d6e105cbf5832320bc4cf05b6d02982cf6 and independently timestamped
in Bitcoin block 956312 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331306517.
Recording identifiers
- ISRC
- NLY331306517
- Title
- Duos for Two Cellos, Op. 49 No. 1 in C Major: III. Rondo. Allegretto
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x5f4f280a6acdb1fbb18ba6d7a07900d6e105cbf5832320bc4cf05b6d02982cf6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T05:09:12+00:00
- Bitcoin block
- 956312
- Canonical record hash
sha256:da04ce87f56970707062602e0ceb2d40de27da68f4259ba251cbc60a0db9f7ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331306517
- Bitcoin block existence check
- https://blockstream.info/api/block/956312
Full record
Track page: Duos for Two Cellos, Op. 49 No. 1 in C Major: III. Rondo. Allegretto · Machine-readable JSON-LD