ISRC DEF056203172
Verified recording
DEF056203172 is “Piano Sonata No. 13 in B-Flat Major, K. 333: II. Andante cantabile” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4a10a76fd78c0dc8bf0c55a18562068a635f223e90e490071f6e6e72b0628843 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/DEF056203172.
Recording identifiers
- ISRC
- DEF056203172
- Title
- Piano Sonata No. 13 in B-Flat Major, K. 333: II. Andante cantabile
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4a10a76fd78c0dc8bf0c55a18562068a635f223e90e490071f6e6e72b0628843
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:8bc444c176b9c3daa014a44d492db08efa64d4c074fbc74f893833105b02f163- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056203172
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 13 in B-Flat Major, K. 333: II. Andante cantabile · Machine-readable JSON-LD