ISRC GBLWD0412003
Verified recording
GBLWD0412003 is “The Marriage of Figaro, K. 492, Act I: What on earth are you measuring (Suzanna, Figaro)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x7599804e8f999bfe2f7625e2cfa64bc119d24cce559fd47b191c0f2a24ee806f and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0412003.
Recording identifiers
- ISRC
- GBLWD0412003
- Title
- The Marriage of Figaro, K. 492, Act I: What on earth are you measuring (Suzanna, Figaro)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x7599804e8f999bfe2f7625e2cfa64bc119d24cce559fd47b191c0f2a24ee806f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:4a9877725e82c76212cdba11311a204e1c25a3c7b110b8f2016b8eb5d750b46f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0412003
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: The Marriage of Figaro, K. 492, Act I: What on earth are you measuring (Suzanna, Figaro) · Machine-readable JSON-LD