ISRC CH6540837136

Verified recording

CH6540837136 is “Rhapsody for Euphonium” by James Curnow, registered on the CopyrightChains blockchain with CopyrightID 0x369b84d89893cd00ffb21aa6629366d60d552810e042969cc9d5662ec93157da and independently timestamped in Bitcoin block 956302 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6540837136.

Recording identifiers

ISRC
CH6540837136
Title
Rhapsody for Euphonium
Artist
James Curnow
CopyrightID (CopyrightChains transaction hash)
0x369b84d89893cd00ffb21aa6629366d60d552810e042969cc9d5662ec93157da

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:508936925ecfd3f227b6e2fb4cf8ae24e692410199a3220dabdc9fe7a958c526
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6540837136
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

Track page: Rhapsody for Euphonium · Machine-readable JSON-LD