ISRC DEF059232712
Verified recording
DEF059232712 is “3. Rondo (Allegretto) Sonata For Piano Duet In C, K.19D” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x96885f64f6c183c92e3a528b20474cc3d375d62012a42487c3cb2e8bb4747897 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/DEF059232712.
Recording identifiers
- ISRC
- DEF059232712
- Title
- 3. Rondo (Allegretto) Sonata For Piano Duet In C, K.19D
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x96885f64f6c183c92e3a528b20474cc3d375d62012a42487c3cb2e8bb4747897
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:afed95d1f123528db0954eac48202d90a87b18dc99f6b2a450a14ba8148f6dcb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232712
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: 3. Rondo (Allegretto) Sonata For Piano Duet In C, K.19D · Machine-readable JSON-LD