ISRC FRZ139300093
Verified recording
FRZ139300093 is “Trio, K. 498 "Les quilles": III. Rondeaux” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x861542c5ae115a69347630f3e718cebfb5d3bb79556fe50f9e7f541a814acb81 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/FRZ139300093.
Recording identifiers
- ISRC
- FRZ139300093
- Title
- Trio, K. 498 "Les quilles": III. Rondeaux
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x861542c5ae115a69347630f3e718cebfb5d3bb79556fe50f9e7f541a814acb81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9a4af54b2ea0c029751a9ea5db09af4e5892327bc3763ad1c633aeafff924b2e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139300093
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Trio, K. 498 "Les quilles": III. Rondeaux · Machine-readable JSON-LD