ISRC SEWDL0534408
Verified recording
SEWDL0534408 is “Nocturnes, Op. 32: No. 1, Andante sostenuto in B Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x85ca7752d4bbad5dcd175af0211d08c27071a9439a757d24f2950d40d5d0cd58 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0534408.
Recording identifiers
- ISRC
- SEWDL0534408
- Title
- Nocturnes, Op. 32: No. 1, Andante sostenuto in B Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x85ca7752d4bbad5dcd175af0211d08c27071a9439a757d24f2950d40d5d0cd58
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:002a6b1a19179f9b823f7ec718677d11da346469eef2167852fc631e76400909- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0534408
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Nocturnes, Op. 32: No. 1, Andante sostenuto in B Major · Machine-readable JSON-LD