ISRC NLB152400651
Verified recording
NLB152400651 is “Piano Concerto No. 21 in C Major, K. 467: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x47e7e383187419ffeeb1a32d5da7e144bdb86f5013f0cf50c0c71336b76753b8 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/NLB152400651.
Recording identifiers
- ISRC
- NLB152400651
- Title
- Piano Concerto No. 21 in C Major, K. 467: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x47e7e383187419ffeeb1a32d5da7e144bdb86f5013f0cf50c0c71336b76753b8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:12ebc6c5122cc1cfce8126b588cbe39557ae037c8f1cbe71d72ab66b827754c5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152400651
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 21 in C Major, K. 467: I. Allegro maestoso · Machine-readable JSON-LD