ISRC DEF056431116
Verified recording
DEF056431116 is “Piano Sonata No. 17 in B-Flat Major, K. 570: III. Allegretto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x2cd3a234db2df511c9b6718946005e109e8843c740edda138f53d362cf83cc15 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/DEF056431116.
Recording identifiers
- ISRC
- DEF056431116
- Title
- Piano Sonata No. 17 in B-Flat Major, K. 570: III. Allegretto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x2cd3a234db2df511c9b6718946005e109e8843c740edda138f53d362cf83cc15
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:688252191e2d9ea346a5de386a13cbca0124beedda31a32686a1fb6693bc4d01- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056431116
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 17 in B-Flat Major, K. 570: III. Allegretto · Machine-readable JSON-LD