ISRC FRZ141322030
Verified recording
FRZ141322030 is “String Quartet No. 14 in G Major, K. 387 "Spring": III. Andante cantabile” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb8c0c6e450f239cf95c2c1c3e9f4f3bd0b37d1599ca7374fd5672679499b2d9b and independently timestamped
in Bitcoin block 960113 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322030.
Recording identifiers
- ISRC
- FRZ141322030
- Title
- String Quartet No. 14 in G Major, K. 387 "Spring": III. Andante cantabile
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb8c0c6e450f239cf95c2c1c3e9f4f3bd0b37d1599ca7374fd5672679499b2d9b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:38:16+00:00
- Bitcoin block
- 960113
- Canonical record hash
sha256:bb587559f75882785f4f17aa72879b9b3cd471dd2d5eedd0411d3708cb8cfdaf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322030
- Bitcoin block existence check
- https://blockstream.info/api/block/960113
Full record
Track page: String Quartet No. 14 in G Major, K. 387 "Spring": III. Andante cantabile · Machine-readable JSON-LD