ISRC DEF059102323
Verified recording
DEF059102323 is “String Quartet No. 15 in D Minor, K. 421: III. Minuetto (Allegretto)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x6c2c3fb4104f2bfadb571beab88de231ca9a2bfe5c7171ef03c9ce9902e18ace and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059102323.
Recording identifiers
- ISRC
- DEF059102323
- Title
- String Quartet No. 15 in D Minor, K. 421: III. Minuetto (Allegretto)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x6c2c3fb4104f2bfadb571beab88de231ca9a2bfe5c7171ef03c9ce9902e18ace
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:31340334dd55eb833f2a10c0668c696a1b37ed143370adc37eb2af01ded9b5be- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059102323
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: String Quartet No. 15 in D Minor, K. 421: III. Minuetto (Allegretto) · Machine-readable JSON-LD