ISRC USBC19100364

Verified recording

USBC19100364 is “Quartet in F Major, K. 370 (368b): II. Adagio” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x222052d69c5ac9339c271706feb108f884c222238b459ad229e12c188e74e2ca and independently timestamped in Bitcoin block 960485 on 2026-08-01. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100364.

Recording identifiers

ISRC
USBC19100364
Title
Quartet in F Major, K. 370 (368b): II. Adagio
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x222052d69c5ac9339c271706feb108f884c222238b459ad229e12c188e74e2ca

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-08-01T00:10:46+00:00
Bitcoin block
960485
Canonical record hash
sha256:e9132ea1465566ca731655910c1dfabc4c4c71a48833ae9bd0e36da0a1761091
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100364
Bitcoin block existence check
https://blockstream.info/api/block/960485

Full record

Track page: Quartet in F Major, K. 370 (368b): II. Adagio · Machine-readable JSON-LD