ISRC USNO16523307
Verified recording
USNO16523307 is “C sharp minor, op. 27, n? 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0ad4a85868e22c43d4924ed0965bfc51cc9895a5c8d3c0e4921da9de4d81a33c and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523307.
Recording identifiers
- ISRC
- USNO16523307
- Title
- C sharp minor, op. 27, n? 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0ad4a85868e22c43d4924ed0965bfc51cc9895a5c8d3c0e4921da9de4d81a33c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:bb0eb86e7b2a373a705fcb01c3b9d2647db894269c52af96508deef4b590ff5d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523307
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: C sharp minor, op. 27, n? 1 · Machine-readable JSON-LD