Rosanna Carteri (14 December 193025 October 2020) was an Italian soprano, primarily active from the 1950s through the mid 1960s. After her debut in Rome at age 19 as Elsa in Wagner's Lohengrin, she ap
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 0x732b8f9b24ab5f07b63ed5d74fdd00ef64f501252ad213bf33470a00f7d6743a. 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/5822d1b2-4045-4ea7-935a-9b323f552338.json and https://artists.proofprofile.net/proofs/artist/5822d1b2-4045-4ea7-935a-9b323f552338.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Verdi: Rigoletto, Act III: "La donna è mobile"
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d712315e6303a69438b5c3f3467e8d736b857e5fb9127c64d498d99fa43f0f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702304.
Tchaikovsky: Eugene Onegin, Op. 24, TH 5 (Sung in Italian)
Tchaikovsky: Eugene Onegin, Op. 24, TH 5 (Sung in Italian) [Recorded 1953]
Rossini: Mosè in Egitto (Moses in Egypt) [Live]
Legrenzi: La vendita del core humano (Stereo Version)
Legrenzi: La vendita del core (Mono Version)
Poulenc Intégrale - Edition du 50e anniversaire 1963-2013
Puccini: La bohème, extraits (Mono Version)
Pergolesi: La serva padrona - Cimarosa: Il maestro di cappella
Donizetti: L'elisir d'amore (Mono Version)
Poulenc: Gloria In G Major, Organ Concerto
Verdi: La traviata, morceaux choisis (Mono Version)
Pergolesi: La serva padrona (Mono Version)
Mi Chiamano (Live On The Ed Sullivan Show, November 14, 1954)
Georges Pretre Conducts... Francis Poulenc: Gloria
Verdi: Grands airs de La traviata (Mono Version)
Bagatelle No. 25 in A Minor, WoO 59, "Für Elise"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x630b49f64dc34dfab81b974d3d268cb9e7db1af1693f3d0e8a413a606575ca64. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21474152.
Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9154f7abd50ee06de7926ae1c373042956e9c6176c797ab5eb0af4be05e81b4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21474161.
Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52fb4300597be326552e0362a37207078c7844eac5ae4d4288d078c621425179. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21474167.
Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99b5dee581bbd135a13b1bfd19830fd9a513ac4dfc55776e8d20d8c773d75e17. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21474170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22dcdb02ab3ff333d3d2bc92244864eb9298d56e41f50b6f309ee3b165b736f6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV291436162.
50 Classical Works for Long Car Journeys
The Only Classical Music You Need to Hear