ISRC GBLWD0412201

Verified recording

GBLWD0412201 is “The Marriage of Figaro, K. 492, Act III: This is very perplexing! (Count)” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x674ab127a922fecbb2514b5c9865855e948ed95dc1457b74f8a757fc7ccc0e20 and independently timestamped in Bitcoin block 960441 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0412201.

Recording identifiers

ISRC
GBLWD0412201
Title
The Marriage of Figaro, K. 492, Act III: This is very perplexing! (Count)
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x674ab127a922fecbb2514b5c9865855e948ed95dc1457b74f8a757fc7ccc0e20

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52+00:00
Bitcoin block
960441
Canonical record hash
sha256:9d1d92b2b9dca2d6edadd5dba3bdb392d3cb100c8ff44ec41c258ddb5a9d6fa1
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0412201
Bitcoin block existence check
https://blockstream.info/api/block/960441

Full record

Track page: The Marriage of Figaro, K. 492, Act III: This is very perplexing! (Count) · Machine-readable JSON-LD