ISRC USAT50311227
Verified recording
USAT50311227 is “Concerto for Two Trumpets in C Major, RV537, I. Allegro” by Adlof Holler,
registered on the CopyrightChains blockchain with CopyrightID
0x502e71691672065fa3f6ba949f1e3b4b833d2f4cb43d4968c937590a5cec94ce and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT50311227.
Recording identifiers
- ISRC
- USAT50311227
- Title
- Concerto for Two Trumpets in C Major, RV537, I. Allegro
- Artist
- Adlof Holler
- CopyrightID (CopyrightChains transaction hash)
0x502e71691672065fa3f6ba949f1e3b4b833d2f4cb43d4968c937590a5cec94ce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:19dc6becf41105eb09e749457a422cb8d3bc7f293b4bdc9c40498d4118e8465b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT50311227
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for Two Trumpets in C Major, RV537, I. Allegro · Machine-readable JSON-LD