ISRC DEF057531104
Verified recording
DEF057531104 is “Lucio Silla, K.135 / Act 1: 3. "Dunque sperar poss'io" - Recitativo” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4b85b674b20af410c003488d10d0c1180c6dfd916970af4ca301c9649b665895 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057531104.
Recording identifiers
- ISRC
- DEF057531104
- Title
- Lucio Silla, K.135 / Act 1: 3. "Dunque sperar poss'io" - Recitativo
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4b85b674b20af410c003488d10d0c1180c6dfd916970af4ca301c9649b665895
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:238de4b854d09c69ff03fe753a09146f20ca663964b72ad0dccf8beac020a165- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057531104
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Lucio Silla, K.135 / Act 1: 3. "Dunque sperar poss'io" - Recitativo · Machine-readable JSON-LD