ISRC SEWDL0722111
Verified recording
SEWDL0722111 is “Sonata in B-Flat Major for Piano Four-hands, K. 358: II. Adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xe519cc6936031078d71035bceff714dbe8c47355f0b2fd0dc2cc7eab0ca941a9 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0722111.
Recording identifiers
- ISRC
- SEWDL0722111
- Title
- Sonata in B-Flat Major for Piano Four-hands, K. 358: II. Adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xe519cc6936031078d71035bceff714dbe8c47355f0b2fd0dc2cc7eab0ca941a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:0cda2646adb57ab00f2cdefe70788266b53a4330d00f037ffd21ee611277a304- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0722111
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Sonata in B-Flat Major for Piano Four-hands, K. 358: II. Adagio · Machine-readable JSON-LD