ISRC USBC19100111
Verified recording
USBC19100111 is “Quartet in D Major, K. 285: II. Adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x0bc3f5d5e0a7ba1dcc2811a7c97e5fb5c1ab7cfa3d341b201b8f51565d10d7bb and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100111.
Recording identifiers
- ISRC
- USBC19100111
- Title
- Quartet in D Major, K. 285: II. Adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x0bc3f5d5e0a7ba1dcc2811a7c97e5fb5c1ab7cfa3d341b201b8f51565d10d7bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:6ea6c75ab9aaeb266dbd3ae76d1da5b1e222502818e3ffb3887fd963897d3353- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100111
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Quartet in D Major, K. 285: II. Adagio · Machine-readable JSON-LD