ISRC GBLWD0412110
Verified recording
GBLWD0412110 is “The Marriage of Figaro, K. 492, Act II: So you're proposing not to open it? (Count, Countess)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x5c0436b1db0c0295e1752f443e534b6b5fb7efbbd4b5ee863aee12940af99200 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/GBLWD0412110.
Recording identifiers
- ISRC
- GBLWD0412110
- Title
- The Marriage of Figaro, K. 492, Act II: So you're proposing not to open it? (Count, Countess)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x5c0436b1db0c0295e1752f443e534b6b5fb7efbbd4b5ee863aee12940af99200
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:fac3e6dc1b963511def9d4d7cf17b743863208c50c8bcb513aea81d4a5dbab8e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0412110
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Marriage of Figaro, K. 492, Act II: So you're proposing not to open it? (Count, Countess) · Machine-readable JSON-LD