ISRC USSJ10905527
Verified recording
USSJ10905527 is “Overture to The Marriage of Figaro, KV 492” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x45177039cda70eeb1da9109de06d925a13ac90e4525e1417188c88b28321ee09 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10905527.
Recording identifiers
- ISRC
- USSJ10905527
- Title
- Overture to The Marriage of Figaro, KV 492
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x45177039cda70eeb1da9109de06d925a13ac90e4525e1417188c88b28321ee09
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f6e90c5c57b9cffa5e34fa808553ece21b4d7954d290cfd2698985b8426ab3b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10905527
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Overture to The Marriage of Figaro, KV 492 · Machine-readable JSON-LD