ISRC SEWDL0740609
Verified recording
SEWDL0740609 is “Nocturnes, Op. 32: No. 1, Andante sostenuto in B Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xaab921e286f0fc3a096ee68302dab4aaedf4553d785780327216df3067b1a675 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0740609.
Recording identifiers
- ISRC
- SEWDL0740609
- Title
- Nocturnes, Op. 32: No. 1, Andante sostenuto in B Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xaab921e286f0fc3a096ee68302dab4aaedf4553d785780327216df3067b1a675
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:e5123505f1ea3e2072916a05626a4d23e20885ae63c12dc920929efe472d01b4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0740609
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Nocturnes, Op. 32: No. 1, Andante sostenuto in B Major · Machine-readable JSON-LD