Giuseppe Sabbatini (born 11 May 1957 in Rome, Italy) is a lyric tenor, conductor, and double-bassist. Career Sabbatini's opera repertoire includes Idomeneo, Mitridate, re di Ponto, Don Giovanni, Lind
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 0x5dc61160fee4ac5374b43af66f5a1af6310dc695206b748496b4ee6a8d299813. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a284881d-7064-492d-b4e0-0c22e4f5e0bd.json and https://artists.proofprofile.net/proofs/artist/a284881d-7064-492d-b4e0-0c22e4f5e0bd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x4b2ac0f557fa0d39720271ea75d68c5c1afb9aa85d1c876fd2cafe5a36b0d0e5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBBBB9800505.
Anfossi: La maga Circe (Arr. F. Colusso)
Mitridate, re di Ponto, K.87 / Act 3: "Pèra omai chi m'oltrggia"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe370438771dfbfa7feb81530e3645dec7cc7f25736ab7c965ccfc297997c82ea. 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/GBF079840250.
Mitridate, re di Ponto, K.87 / Act 1: "Vieni, Signor"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdc499d0a7c575adbc7ad2569bef06fc18adf3062e9a33e58de01d702f699e18. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBF079840202.
Mitridate, re di Ponto, K.87 / Act 1: "Al destin, che la minaccia"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b0b96a909b11c15b76aed2e8c0f9a3b39889f40e74fc06b5764beb46bd0b64f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBF079840204.
Mitridate, re di Ponto, K.87 / Act 1: "Qual tumulto nell'alma"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1275e04c8cb3ab02b8ca260cd8ce74a509f60ee96f77f69c696293b9eccea6d9. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBF079840205.
Mitridate, re di Ponto, K.87 / Act 2: "Tu, che fedel mi sei"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774cf9956d602ec393eb68cfc1acb1a962387efe7d487de99c2a22ed936dfc5f. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBF079840230.
Mitridate, re di Ponto, K.87 / Act 1: "Soffre il mio cor con pace"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e58ae481eda9b442d8c2d75f6f4334893639fc9974573140fa373cb77a2581b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBF079840206.
Mitridate, re di Ponto, K.87 / Act 2: "Che dirò? Che ascoltai?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b20cb7b761e1978ceeaab51893fe6e03c67849ef61d4acd8ade48c02bc97140. 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/GBF079840231.
Mitridate, re di Ponto, K.87 / Act 1: "Ferma, o germano"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7251169edc58d00a3d843e72e4b211e0c7083bec744014231f0de4256752ff51. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBF079840208.
Mitridate, re di Ponto, K.87 / Act 2: "Non più, Regina"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2e7792e44e9d9ecb33f858487a92897dcbd39ff7ddfddebd3323bc41b5a3ba9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBF079840234.
Mitridate, re di Ponto, K.87 / Act 2: "Lungi da te, mio bene"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf88137b7c8b7416ac9e6606f7551cc0dd6472bbdfc91edb68cdf78e75778711. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/GBF079840235.
Mitridate, re di Ponto, K.87 / Act 2: "Grazie ai Numi partì"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x699bbc6c53d761c01e8e4f3fcf8ec2c3e7a7ea99af65904b48dac7f64e4db6ef. 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/GBF079840236.
Mitridate, re di Ponto, K.87 / Act 2: "Nel grave tormento"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x113644121c2a493a0768928d682477662be66029237ce5c8bed082ff90885af8. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBF079840237.
Mitridate, re di Ponto, K.87 / Act 1: "Venga pur, minacci e frema"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41c776fff00bdef48be10ab9baba1cb5b659074116401d32747c8b16c2eecf29. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBF079840216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24474321fca80e126bcb2300852e1b300511d6aa36ebf719ac8e9f6e8f1e53dc. 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/GBF079840217.
Mitridate, re di Ponto, K.87 / Act 1: "Se di lauri il crine adorno"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6bd48ac8a9900ae94bfa9be35fc0614bf4f1c4b3c0b2f8001fec72306774d8b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBF079840218.
Mitridate, re di Ponto, K.87 / Act 2: "Son reo; l'error confesso"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11299581e9a6726850c19a59e60212afe1e5fc9af3b86056122868153c9f3015. 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/GBF079840244.
Mitridate, re di Ponto, K.87 / Act 2: "E crederai, Signor"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d5402f54d05cea6178f16bf0a79e79563c2fb1a5bfd6ddf202f0e7375ca430e. 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/GBF079840245.
Mitridate, re di Ponto, K.87 / Act 2: "Già di pietà mi spoglio"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb87b9078a0da939cf2ffb20fa3a86304236f1a3186b6edefd17efa4e8ec9b67. 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/GBF079840246.
Mitridate, re di Ponto, K.87 / Act 2: "Sifare, per pietà stringi l'acciaro"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbbb3a78111ae992058dad6969742dcb9aa69fa3a9c2536c046bff66f350617. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBF079840247.
Mitridate, re di Ponto, K.87 / Act 1: "Quel ribelle e quell'ingrato"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f8577942b669d1c9131fa84820bce810267ff7eff8823eaf13ebfacc7c951fd. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/GBF079840224.
Mitridate, re di Ponto / Act 2: "Perfido, ascolta"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x034cd0c02e375523fdb0d6acc45ca8be9d347bdf1d6ef75515216508f7cc97a4. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/GBF079840227.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Mitridate, re di Ponto, K.87 / Act 2: "Eccomi a'cenni tuoi"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cfa2bc94552a066334a3635463d16915e5a3670bd3cb7b4ce62a99c512be5d4. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/GBF079840228.
Mitridate, re di Ponto, K.87 / Act 2: "Respiro, o Dei!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081012c69d9159cf45a2277e0ee6b29996312a6466a3dc43acb66c0825108584. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/GBF079840229.
Mitridate, re di Ponto, K.87 / Act 2: "Qui, dove la vendetta"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0337dd2fc6162f2a86b664b99931dedba3d0f1fd9e2f02039acc2af70a745230. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/GBF079840238.
Mitridate, re di Ponto, K.87 / Act 2: "Sedete, o Prenci, e m'ascoltate"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3ef46388fcbaba6c5415252de00b96d91416e1392f9b203a8534da8bcd01adc. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/GBF079840239.
Mitridate, re di Ponto / Act 2: "Signor, io son"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeaea73f3e723af9122f2b2f21e1217933db10fd3c261d1433585bdd2038c383. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/GBF079840240.
Mitridate, re di Ponto, K.87 / Act 1: "Tu me revedi, Arbate"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7591edba95f6422f1da07b588e45d8176d76b9aeaee921bef2f0197f97a0628f. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBF079840219.
Mitridate, re di Ponto, K.87 / Act 1: "Su la temuta destra mentre l'un figlio e l'altro"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dbbb80c934d1084a1b5e98cc218885a98c5c1c5bc3f0f509b72074a9fede914. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/GBF079840220.
Mitridate, re di Ponto, K.87 / Act 1: "Teme Ismene a ragion"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085f4965a265ebb41736d412a4ef2137bbfa6942377bd5d0b225bdd24e2888bf. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/GBF079840222.
Mitridate, re di Ponto, K.87 / Act 1: "Respira alfin"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36a8b2e8e414c03568d887a479173cd4ee14a544684f887d7562f9f7e0fd730. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/GBF079840223.