ISRC SEWDL0534404
Verified recording
SEWDL0534404 is “Nocturnes, Op. 15: No. 2, Larghetto in F-Sharp Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x07087503401c7bddf8fe111f3d4e15b0be8cc0332cea9597f6256719872b1845 and independently timestamped
in Bitcoin block 960362 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0534404.
Recording identifiers
- ISRC
- SEWDL0534404
- Title
- Nocturnes, Op. 15: No. 2, Larghetto in F-Sharp Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x07087503401c7bddf8fe111f3d4e15b0be8cc0332cea9597f6256719872b1845
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:58:00+00:00
- Bitcoin block
- 960362
- Canonical record hash
sha256:e75bb8e93f08d96c96e60c38e570a036f6f27e75b394ec1e1cae515d010ba1ab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0534404
- Bitcoin block existence check
- https://blockstream.info/api/block/960362
Full record
Track page: Nocturnes, Op. 15: No. 2, Larghetto in F-Sharp Major · Machine-readable JSON-LD