ISRC USBC18100118
Verified recording
USBC18100118 is “Nocturne in D-Flat, Op. 27, No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8247b2b2da9ca7eff3acbf3e7e8e22d97fa320120de6636d3f855e083a73bea5 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18100118.
Recording identifiers
- ISRC
- USBC18100118
- Title
- Nocturne in D-Flat, Op. 27, No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8247b2b2da9ca7eff3acbf3e7e8e22d97fa320120de6636d3f855e083a73bea5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:5477957ab7c31f09172b3b6cfa910f961f08a35c4c72bd3e97f1d05dac12bc17- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18100118
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: Nocturne in D-Flat, Op. 27, No. 2 · Machine-readable JSON-LD