ISRC QZUD82300038
Verified recording
QZUD82300038 is “Piano Concerto in A Minor, Op. 22: II. Andante” by Ricardo Castro,
registered on the CopyrightChains blockchain with CopyrightID
0x9fca8acbb3bd65af97f8984bc963ce32356fc93863146022383cfd9be64bcc45 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZUD82300038.
Recording identifiers
- ISRC
- QZUD82300038
- Title
- Piano Concerto in A Minor, Op. 22: II. Andante
- Artist
- Ricardo Castro
- CopyrightID (CopyrightChains transaction hash)
0x9fca8acbb3bd65af97f8984bc963ce32356fc93863146022383cfd9be64bcc45
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:ca675aa364dd89cc23fcedb1a9c15df590f5970964de9ac7f18ef843b21948b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZUD82300038
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Piano Concerto in A Minor, Op. 22: II. Andante · Machine-readable JSON-LD