ISRC FRZ141322041
Verified recording
FRZ141322041 is “String Quartet No. 14 in G Major, K. 387 "Spring": IV. Molto Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x6da633760d42b00a63edbfcb991bc9da1dec7cef2386bcf0c86eebf563172242 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322041.
Recording identifiers
- ISRC
- FRZ141322041
- Title
- String Quartet No. 14 in G Major, K. 387 "Spring": IV. Molto Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x6da633760d42b00a63edbfcb991bc9da1dec7cef2386bcf0c86eebf563172242
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:475fe6af2cebf24be25a472e45e06158eb7121e7a4e4960d5a5b9e5d38fb3efa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322041
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: String Quartet No. 14 in G Major, K. 387 "Spring": IV. Molto Allegro · Machine-readable JSON-LD