ISRC CZN921600007
Verified recording
CZN921600007 is “Italian Polka in E-Flat Major - Arr. for Solo Accordion” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x09715dc667963bcdd8e9c319e2fa3a7b08c3b6859ff5e5f6c2251d780f6dc18d and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZN921600007.
Recording identifiers
- ISRC
- CZN921600007
- Title
- Italian Polka in E-Flat Major - Arr. for Solo Accordion
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x09715dc667963bcdd8e9c319e2fa3a7b08c3b6859ff5e5f6c2251d780f6dc18d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:75d121c479c0d4ca07da7b53ed52e320d39dc3237c359b5149c43b2a87ba86d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZN921600007
- Bitcoin block existence check
- https://blockstream.info/api/block/960463
Full record
Track page: Italian Polka in E-Flat Major - Arr. for Solo Accordion · Machine-readable JSON-LD