Amelita Galli-Curci (18 November 1882 – 26 November 1963) was an Italian lyric coloratura soprano. She was one of the most famous operatic singers of the 20th century and a popular recording artist, w
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01206d2b18707c34bf3784f80e386943d7d670fa7f86835f59c9d390535ed09. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/693e7aec-02db-49f9-a54a-a741351827ee.json and https://artists.proofprofile.net/proofs/artist/693e7aec-02db-49f9-a54a-a741351827ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Beniamino Gigli Collection, Vol. 5: True Belcanto in Opera and Songs (Recordings 1927-1949) [2014 Digital Remaster]