ISRC USNO19536206
Verified recording
USNO19536206 is “Concerto for Harpsichord and String Quartet: II. Vivace” by Henryk Górecki,
registered on the CopyrightChains blockchain with CopyrightID
0x6aaa70b428a63f9fa4878c4f55f96a8bfb0620f773c54c5290ed38052c317e38 and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19536206.
Recording identifiers
- ISRC
- USNO19536206
- Title
- Concerto for Harpsichord and String Quartet: II. Vivace
- Artist
- Henryk Górecki
- CopyrightID (CopyrightChains transaction hash)
0x6aaa70b428a63f9fa4878c4f55f96a8bfb0620f773c54c5290ed38052c317e38
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:231465d33d7285284ff34e170a49e2464acc2387ff5ea4da8ff1ae808d733d2f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19536206
- Bitcoin block existence check
- https://blockstream.info/api/block/959159
Full record
Track page: Concerto for Harpsichord and String Quartet: II. Vivace · Machine-readable JSON-LD