ISRC DEF059331536
Verified recording
DEF059331536 is “Rigoletto / Act 3: "Maddalena?" / "Aspettate" (Duca, Maddalena, Sparafucile)” by Giuseppe Verdi,
registered on the CopyrightChains blockchain with CopyrightID
0xe90c680b29ea6285a3b84adbfafbc84bdc9d09aa651b3df7d4314c7343f19126 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331536.
Recording identifiers
- ISRC
- DEF059331536
- Title
- Rigoletto / Act 3: "Maddalena?" / "Aspettate" (Duca, Maddalena, Sparafucile)
- Artist
- Giuseppe Verdi
- CopyrightID (CopyrightChains transaction hash)
0xe90c680b29ea6285a3b84adbfafbc84bdc9d09aa651b3df7d4314c7343f19126
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9cad787d966191adecc1bd97b5566ed224353a8bc733894a632c58542642dee4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331536
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Rigoletto / Act 3: "Maddalena?" / "Aspettate" (Duca, Maddalena, Sparafucile) · Machine-readable JSON-LD