ISRC ITK262200127
Verified recording
ITK262200127 is “Nocturne in E minor, Op. 72, No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd8350a27769a9d36fab36f4a34b459abb030b65e06044922bb30b172f58a5038 and independently timestamped
in Bitcoin block 960277 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITK262200127.
Recording identifiers
- ISRC
- ITK262200127
- Title
- Nocturne in E minor, Op. 72, No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd8350a27769a9d36fab36f4a34b459abb030b65e06044922bb30b172f58a5038
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:10:47+00:00
- Bitcoin block
- 960277
- Canonical record hash
sha256:820136c32260b243d0664a5789f121c47af2468af9cb9c8fbb35ff48e4ac8e6c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITK262200127
- Bitcoin block existence check
- https://blockstream.info/api/block/960277
Full record
Track page: Nocturne in E minor, Op. 72, No. 1 · Machine-readable JSON-LD