ISRC DEF059102322
Verified recording
DEF059102322 is “String Quartet No. 15 in D Minor, K. 421: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xc05be322d57483577837dbb1d377c8a58e4991f3db2bc4d98be1afe4a0503a6e and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059102322.
Recording identifiers
- ISRC
- DEF059102322
- Title
- String Quartet No. 15 in D Minor, K. 421: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xc05be322d57483577837dbb1d377c8a58e4991f3db2bc4d98be1afe4a0503a6e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:f868d3629a73f4c88fc59f8a0b40dc8b60933d6a8cfcd4b423ee228a063b6cdf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059102322
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: String Quartet No. 15 in D Minor, K. 421: II. Andante · Machine-readable JSON-LD