ISRC NLA506300159
Verified recording
NLA506300159 is “Mass in B-Flat Major, Hob. XXII:7 "Missa Brevis St. Joannis de Deo": I. Kyrie” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x8219f93bd31e3448e702fe30e1428acb8480c3af621150fb716427182ad35b23 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/NLA506300159.
Recording identifiers
- ISRC
- NLA506300159
- Title
- Mass in B-Flat Major, Hob. XXII:7 "Missa Brevis St. Joannis de Deo": I. Kyrie
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x8219f93bd31e3448e702fe30e1428acb8480c3af621150fb716427182ad35b23
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:08d73680ee52229a4486ce9b573cbe11bba7c84e36b798e8be9174d90fc9cf5d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506300159
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: Mass in B-Flat Major, Hob. XXII:7 "Missa Brevis St. Joannis de Deo": I. Kyrie · Machine-readable JSON-LD