ISRC USB8U1612656

Verified recording

USB8U1612656 is “Piano Sonata No. 14 in C Minor, K. 457: II. Adagio” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0xd616a5cce0334bbb8f3c0d4d18aad893de041b72e333583f232b63c1cc72b867 and independently timestamped in Bitcoin block 960368 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612656.

Recording identifiers

ISRC
USB8U1612656
Title
Piano Sonata No. 14 in C Minor, K. 457: II. Adagio
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0xd616a5cce0334bbb8f3c0d4d18aad893de041b72e333583f232b63c1cc72b867

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41+00:00
Bitcoin block
960368
Canonical record hash
sha256:111a86c342656eb186c47ffbc6c99f9295c167f0160667255438c26545584262
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612656
Bitcoin block existence check
https://blockstream.info/api/block/960368

Full record

Track page: Piano Sonata No. 14 in C Minor, K. 457: II. Adagio · Machine-readable JSON-LD