ISRC PLA551900156
Verified recording
PLA551900156 is “Piano Concerto No. 21 in C Major, KV 467: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4c43028181c3c3e48fc9b06e2fd210cae3f44c07a7787cbf7bedae4fbf452ac3 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA551900156.
Recording identifiers
- ISRC
- PLA551900156
- Title
- Piano Concerto No. 21 in C Major, KV 467: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4c43028181c3c3e48fc9b06e2fd210cae3f44c07a7787cbf7bedae4fbf452ac3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f9a12fe17e7f9b10b4046cd04dd7526073a5c77e6a19625060ada608410f86ee- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA551900156
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 21 in C Major, KV 467: I. Allegro maestoso · Machine-readable JSON-LD