ISRC SEWDL0534406
Verified recording
SEWDL0534406 is “Nocturnes, Op. 27: No. 2, Lento sostenuto in D-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4e082506543f4deec9e93603f22af89c16e4f52ca08c3f8666a9c20d1177ff99 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0534406.
Recording identifiers
- ISRC
- SEWDL0534406
- Title
- Nocturnes, Op. 27: No. 2, Lento sostenuto in D-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4e082506543f4deec9e93603f22af89c16e4f52ca08c3f8666a9c20d1177ff99
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:2f701802aab0330d4c14a39f3c238e6d1b3c77a97a30f029ed7485d423619421- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0534406
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Nocturnes, Op. 27: No. 2, Lento sostenuto in D-Flat Major · Machine-readable JSON-LD