ISRC USA371452327
Verified recording
USA371452327 is “Nocturne No. 2 In E-flat” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x030b4f59e856fc918c89413530025f8e76545bd02ed5267cf5ed1fd74d8b9e56 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371452327.
Recording identifiers
- ISRC
- USA371452327
- Title
- Nocturne No. 2 In E-flat
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x030b4f59e856fc918c89413530025f8e76545bd02ed5267cf5ed1fd74d8b9e56
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:9869ba7b2bc7fdf8668891dff13c9d8e9de69ac9ff2d50e0fd242c19a78507ab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371452327
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Nocturne No. 2 In E-flat · Machine-readable JSON-LD