ISRC SEWDL0742406
Verified recording
SEWDL0742406 is “Nocturne No. 8 in D-Flat Major, Op. 27: Lento sostenuto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7e437ad751e9590a9c1776b4f5ed93aab19a6d0e26323460670c08edb4bbda66 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/SEWDL0742406.
Recording identifiers
- ISRC
- SEWDL0742406
- Title
- Nocturne No. 8 in D-Flat Major, Op. 27: Lento sostenuto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7e437ad751e9590a9c1776b4f5ed93aab19a6d0e26323460670c08edb4bbda66
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:155f9848dfe43c484d6f7c7c955baaeb81ce1c7787f3c9fca26f624c70ebe0eb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0742406
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Nocturne No. 8 in D-Flat Major, Op. 27: Lento sostenuto · Machine-readable JSON-LD