ISRC USSJ10700218
Verified recording
USSJ10700218 is “Nocturne No. 1 in E Major, Op. 72” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6018f70408d22b04c7509d9ed89a63ffe79e0946f2fef81a766249000787af5f and independently timestamped
in Bitcoin block 960218 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10700218.
Recording identifiers
- ISRC
- USSJ10700218
- Title
- Nocturne No. 1 in E Major, Op. 72
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6018f70408d22b04c7509d9ed89a63ffe79e0946f2fef81a766249000787af5f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:57:05+00:00
- Bitcoin block
- 960218
- Canonical record hash
sha256:f03a15ee799990a7d63e7967aeba43174f3a8206227eed1a906051d87549b522- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10700218
- Bitcoin block existence check
- https://blockstream.info/api/block/960218
Full record
Track page: Nocturne No. 1 in E Major, Op. 72 · Machine-readable JSON-LD