ISRC FRZ141302070
Verified recording
FRZ141302070 is “String Quartet No.15 in D Minor, K. 421: III. Menuetto - Trio (Allegretto)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x20ec872b73d0110758da318a7920a412d5d0a286e47de81d46cb7e4a208776f7 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141302070.
Recording identifiers
- ISRC
- FRZ141302070
- Title
- String Quartet No.15 in D Minor, K. 421: III. Menuetto - Trio (Allegretto)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x20ec872b73d0110758da318a7920a412d5d0a286e47de81d46cb7e4a208776f7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:96d2b5854305e1ab913f08fdb9abcc00ef229be6f102c6fb22f17f102d596e58- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141302070
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet No.15 in D Minor, K. 421: III. Menuetto - Trio (Allegretto) · Machine-readable JSON-LD