ISRC NLHR52153476

Verified recording

NLHR52153476 is “Quick March: Triumphant Prospect - Baritone Horn & Euphonium Choir” by Olaf J. Ritman, registered on the CopyrightChains blockchain with CopyrightID 0xa113a76319cc9997634e8f1ec6b53c3d6247dc2a594659e2936d8c5aa88630d9 and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52153476.

Recording identifiers

ISRC
NLHR52153476
Title
Quick March: Triumphant Prospect - Baritone Horn & Euphonium Choir
Artist
Olaf J. Ritman
CopyrightID (CopyrightChains transaction hash)
0xa113a76319cc9997634e8f1ec6b53c3d6247dc2a594659e2936d8c5aa88630d9

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:3c8387aa5a1685cecfedc90caa4d53c62fdf548ea12bdd8fc1aa3dcc7a7af634
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52153476
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: Quick March: Triumphant Prospect - Baritone Horn & Euphonium Choir · Machine-readable JSON-LD