ISRC UK2Y21309288
Verified recording
UK2Y21309288 is “Waltz in E Minor, B. 56” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x51f461b906a7588f5179cf52d0c762b9b125393cfe7572feb8d0f3b0a913c5ca and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309288.
Recording identifiers
- ISRC
- UK2Y21309288
- Title
- Waltz in E Minor, B. 56
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x51f461b906a7588f5179cf52d0c762b9b125393cfe7572feb8d0f3b0a913c5ca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:ab0ac67b5db80826d5e528d6329cf2786d0cecfdaa92650881aafe7ff7f84630- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309288
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Waltz in E Minor, B. 56 · Machine-readable JSON-LD