ISRC GBF076740811
Verified recording
GBF076740811 is “La clemenza di Tito, K.621 / Act 1: "Ah perdona al primo affetto"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4d847dcd0e82fa6ac146c1e65a6d99bf76e04b869dc1abbeda8a1b31f20521f8 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740811.
Recording identifiers
- ISRC
- GBF076740811
- Title
- La clemenza di Tito, K.621 / Act 1: "Ah perdona al primo affetto"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4d847dcd0e82fa6ac146c1e65a6d99bf76e04b869dc1abbeda8a1b31f20521f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:ffb60add04b87a982ca457c6fa1198e6c5bef14f9617e1b71a643eec37f73f3d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740811
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: La clemenza di Tito, K.621 / Act 1: "Ah perdona al primo affetto" · Machine-readable JSON-LD