ISRC SEWDL6142688
Verified recording
SEWDL6142688 is “Piano Sonata No. 9 in D Major, K. 311: II. Andante con expressione” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xdb1b98eed7c877318defc260293d9e65443b18832466c42f96c5fde173349245 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142688.
Recording identifiers
- ISRC
- SEWDL6142688
- Title
- Piano Sonata No. 9 in D Major, K. 311: II. Andante con expressione
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xdb1b98eed7c877318defc260293d9e65443b18832466c42f96c5fde173349245
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:40fb29291671ec9a9f0b2832ebe171f2192f30b18e9fa23c20e9dccac2db3100- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142688
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Piano Sonata No. 9 in D Major, K. 311: II. Andante con expressione · Machine-readable JSON-LD