ISRC GBLWD0412010

Verified recording

GBLWD0412010 is “The Marriage of Figaro, K. 492, Act I: So all is not lost (Marcellina, Susanna)” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x2773b8792ea389588b99a192524c100c8a85dbe173daa3e288c97158098d5478 and independently timestamped in Bitcoin block 960291 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0412010.

Recording identifiers

ISRC
GBLWD0412010
Title
The Marriage of Figaro, K. 492, Act I: So all is not lost (Marcellina, Susanna)
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x2773b8792ea389588b99a192524c100c8a85dbe173daa3e288c97158098d5478

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33+00:00
Bitcoin block
960291
Canonical record hash
sha256:bd8334417af7724e72cbec5264cd06876530735e51f0b435c08aa58f8c01215b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0412010
Bitcoin block existence check
https://blockstream.info/api/block/960291

Full record

Track page: The Marriage of Figaro, K. 492, Act I: So all is not lost (Marcellina, Susanna) · Machine-readable JSON-LD