ISRC DEF056203171
Verified recording
DEF056203171 is “Piano Sonata No. 13 in B-Flat Major, K. 333: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3fce14caf24192226df9ad1b2966f929257cbeaaa2bd57ac32380529b3920467 and independently timestamped
in Bitcoin block 959123 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056203171.
Recording identifiers
- ISRC
- DEF056203171
- Title
- Piano Sonata No. 13 in B-Flat Major, K. 333: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3fce14caf24192226df9ad1b2966f929257cbeaaa2bd57ac32380529b3920467
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T11:35:32+00:00
- Bitcoin block
- 959123
- Canonical record hash
sha256:a185ce25aa858550cc01834c2a8683b8d7bcb503a4bfe797ac5b24413ee25f38- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056203171
- Bitcoin block existence check
- https://blockstream.info/api/block/959123
Full record
Track page: Piano Sonata No. 13 in B-Flat Major, K. 333: I. Allegro · Machine-readable JSON-LD