ISRC USAT50311210
Verified recording
USAT50311210 is “Piano Concerto No. 21 in D Minor, K.466, II. Romance” by Denis Matthews,
registered on the CopyrightChains blockchain with CopyrightID
0x252116bc4307eca744c6f7d5f0f4fbbcff25171101b989abd2f393001d64d59a and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT50311210.
Recording identifiers
- ISRC
- USAT50311210
- Title
- Piano Concerto No. 21 in D Minor, K.466, II. Romance
- Artist
- Denis Matthews
- CopyrightID (CopyrightChains transaction hash)
0x252116bc4307eca744c6f7d5f0f4fbbcff25171101b989abd2f393001d64d59a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:d8632ac85e47c3d11b23cf76d8bd250a05fac111970b000a1eae832b7f287584- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT50311210
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Piano Concerto No. 21 in D Minor, K.466, II. Romance · Machine-readable JSON-LD