ISRC DEF056203173
Verified recording
DEF056203173 is “Piano Sonata No. 13 in B-Flat Major, K. 333: III. Allegretto grazioso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x64666a95295be3573a275b2dd55aa839e14ee26d32e67fcc902b6a0621879ebb 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/DEF056203173.
Recording identifiers
- ISRC
- DEF056203173
- Title
- Piano Sonata No. 13 in B-Flat Major, K. 333: III. Allegretto grazioso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x64666a95295be3573a275b2dd55aa839e14ee26d32e67fcc902b6a0621879ebb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7dd2e71e321f6b982977ad387dd9dec8f9c70e181b9ef5a4d1c3ccd971406be8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056203173
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 13 in B-Flat Major, K. 333: III. Allegretto grazioso · Machine-readable JSON-LD