ISRC USSM19701452
Verified recording
USSM19701452 is “Concerto No. 4 for Guitar and Orchestra - Dedicated to John Williams "Concerto de Toronto": I. Moderato” by Leo Brouwer,
registered on the CopyrightChains blockchain with CopyrightID
0x4560937914fd656280c19f4d42561bdffec90d49e0dd37ff1c461b57a9311644 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19701452.
Recording identifiers
- ISRC
- USSM19701452
- Title
- Concerto No. 4 for Guitar and Orchestra - Dedicated to John Williams "Concerto de Toronto": I. Moderato
- Artist
- Leo Brouwer
- CopyrightID (CopyrightChains transaction hash)
0x4560937914fd656280c19f4d42561bdffec90d49e0dd37ff1c461b57a9311644
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:32391e3ed0a579590a5394ac8c2b7b6c607849a895898e7e120131f8ff699e1c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19701452
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Concerto No. 4 for Guitar and Orchestra - Dedicated to John Williams "Concerto de Toronto": I. Moderato · Machine-readable JSON-LD