ISRC CZA162201501
Verified recording
CZA162201501 is “Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xe79eb2f94d54b77f34d0519b217313ac6e5f8f16b3f9bf40580125f4946dd1f5 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162201501.
Recording identifiers
- ISRC
- CZA162201501
- Title
- Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xe79eb2f94d54b77f34d0519b217313ac6e5f8f16b3f9bf40580125f4946dd1f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:487091acfcde3a615a99669f0f076d38d565a125542abb5366a7305f0b48f5c4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162201501
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato · Machine-readable JSON-LD