ISRC SEWDL9250235
Verified recording
SEWDL9250235 is “Nocturne in D-Flat Major, L. 82” by Peter Schmalfuss,
registered on the CopyrightChains blockchain with CopyrightID
0xc37bb527bbdd0d06041bd286bf0a99d5b327a9c69c54f82f456aebba6d4903f6 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9250235.
Recording identifiers
- ISRC
- SEWDL9250235
- Title
- Nocturne in D-Flat Major, L. 82
- Artist
- Peter Schmalfuss
- CopyrightID (CopyrightChains transaction hash)
0xc37bb527bbdd0d06041bd286bf0a99d5b327a9c69c54f82f456aebba6d4903f6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:cbfafd77f39996f614aae400a31b6507feb45f91bd6e918e3fdaeb46863a3f2c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9250235
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Nocturne in D-Flat Major, L. 82 · Machine-readable JSON-LD