Massimo Zanetti (born 12 February 1948 in Treviso) is an Italian entrepreneur and former politician, owner of Segafredo, a global coffee company.Massimo Zanetti Beverage Group Since 2016, Zanetti has
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 0xfa08f134d329b111c973f5a2a2390d747879cfd65d1cf50fa84e8cf90ab0890a. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/849f3a5a-72ce-45ad-bdcb-0babdd9606ab.json and https://artists.proofprofile.net/proofs/artist/849f3a5a-72ce-45ad-bdcb-0babdd9606ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Simon Boccanegra / Prologue: "A te l'estremo addio" - "Il lacerato spirito"
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 0x972d6dda1b32a8789f5ffa2e9e7edad212c6ed4b74e5e1296a04365beb8e049b. 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/GBF071340403.
Simon Boccanegra / Prologue: "Oh, de'Fieschi implacata, orrida razza"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8e21eea9569b8956a5f44b531eaddcdf3094d8f002340ad5c8c3511c8a6061a. 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/GBF071340405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6dec9d8cee5533b04f6271fa2bcb9f689ded35c4865f265cc4584212238fdd. 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/GBF071340406.
Simon Boccanegra / Act 2: "All'armi, all'armi, o Liguri"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x159b3a9d86a4a24a64e1a9b221798c7da9b8f800cd9af4d2334c20b9c222b75d. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GBF071340424.
Simon Boccanegra / Act 1: "Cielo di stelle orbato"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb49915189baa697e559213dddef481e90a465e285af459511f851c4c47d8c62. 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/GBF071340408.
Simon Boccanegra / Act 1: "Propizio ei giunge!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0dc79008c9ae0cc56713b07977c8374b9f440964143b7791c63312d10e5bd54. 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/GBF071340409.
Simon Boccanegra / Act 1: "Amelia, di come fosti rapita"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ca628073851f1857296fe82be2a883ef312ec6dcd6a837d45d7bf356379aba. 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/GBF071340415.
Simon Boccanegra / Prologue: Preludio. "Che dicesti?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d434023ded14ddfb31cbf20370a57faaa90df1cfcc1cf8eaa935558b3e9fe8f. 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/GBF071340401.
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
Simon Boccanegra / Act 2: "Quei due vedesti?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ef841c583cd18c866f9dabb00d01434b0a25e5bd2ad32ffdab1ff676ca70f2b. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/GBF071340418.
Simon Boccanegra / Prologue: "L'altra magion vedete?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ad45863615375aabd87b7577b16b4efc97c644aef578d52851129975977b47. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/GBF071340402.
Simon Boccanegra / Prologue: "Suona ogni labbro il mio nome"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4f4fbaf007d70f86cba3e91eb8e262532d99a5d1886385ce1f2e79aa16f997. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/GBF071340404.
Simon Boccanegra / Act 2: "Figlia?" ... "Si afflitto, o padre mio?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42d180a8a394c9b514e5f0be9a46546b835d5e3dabbb629987304fedaa4cf34c. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBF071340422.
Simon Boccanegra / Act 2: "Oh! Amelia ... ami ... un nemico"..."Perdono, Amelia"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f30a3e6dffda8e555655d7e5b990a48ec92bd426e345f4c7f6fbd08b852f527. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/GBF071340423.
Simon Boccanegra / Act 1: "Come in quest'ora bruna"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac0fd43fed4b6fe151c662bfb5caf83eb3b7d04de715047621afabd6efa06b1. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GBF071340407.
Simon Boccanegra / Act 3: "Evviva il Doge!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x229b6bd704951a905b33b73c03aa68ec1c145c26080ef021620bb93332ddcdfa. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/GBF071340425.
Simon Boccanegra / Act 3: "M'ardon le tempia" - "Come un fantasima Fiesco t'appar"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7911b498ba1b3344f5b05ba0f88b1e9b4071613aad3cb441b56ed19fba6a05d7. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/GBF071340426.
Simon Boccanegra / Act 1: "Il Doge vien"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c4492482f1907f19f7aeed345289d53407d084ee0696a0b1a1748df7d66cf26. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/GBF071340410.
Simon Boccanegra / Act 1: "Orfanelle il tetto umile" "Figlia! ... a tal nome io palpito"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14397d2163bf3d74c6b108e3fc8a3affa6ee1adc72194eb218d06e3988d9413f. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBF071340411.
Simon Boccanegra / Act 1: "Che rispose?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb27c4614ee24e0f4246776d002642709a796e024ec6bdafd7402410162ece512. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/GBF071340412.
Simon Boccanegra / Act 3: "Gran Dio, li benedici"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x211793182d9e539e98c41e8c2662457cdf8b988217a07b80b3960603fe150a73. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBF071340429.
Simon Boccanegra / Act 1: "Messeri, il re di Tartaria vi porge"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c1459c93b4658d61afea5139419830022c9492711d6c076f7211c973999302. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/GBF071340413.
Simon Boccanegra / Act 1: "Ferischi!" - "Ameila!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf49d28535d013fbb60ad32871c2527409f3f67760090d82af4a61d6521aa20. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/GBF071340414.
Simon Boccanegra / Act 1: "Plebe! Patrizi! Popolo!..."Piango su voi"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b89464b904d2967ac67d7c92c5f083109e66b68dd37302d9a9d363c21464c76. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/GBF071340416.
Attila, Act I, Scene 1: Liberamente or piangi ... Oh! Nel fuggente nuvolo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f46d5dc2a9d821f5c62ad17de615a6fa3c38450f254b346c8b28ca72bcbef6. 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/USSM11709652.
La forza del destino, Act IV, Scene 6: Pace! Pace, mio Dio!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7a4c4a61b9a0f613608495973c411309acb2e4883c48e9d6d3fcb048622d13d. 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/USSM11709654.
Simon Boccanegra, Act I, Scene 1: Come in quest'ora bruna
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2772fe4dfe6b82afbfdacc36e11835cdce69a61ecf59757a6737d111e90827c6. 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/USSM11709656.
Il trovatore, Act I, Scene 2: Tacea la notte placida ... Di tale amor che dirsi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fe88bfd32b7ac0323ad553033632076bd2c2fd2cc52aa2ce7547edba4502b2f. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/USSM11709650.
Luisa Miller, Act II, Scene 1: Tu puniscimi, o Signore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1bb4da59c1cfb3e84f86de840f2e2902c802bcfaed697472ded6054c51487a. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/USSM11709651.
Stiffelio, Act I, Scene 6: Tosto ei disse! ... A te ascenda, o Dio clemente
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb323009f4afa811cd7d8511fd67eb0f5945ec4a8e5093cf5ceacdb8d436ad97c. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/USSM11709653.
Otello, Act IV, Scene 2: Ave Maria, piena di grazia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd131a55b182ecd1e4b4c262d059903cd534b13d1117a4953f5e85f58a6454c80. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/USSM11709655.
Don Carlo, Act IV, Scene 1: Tu che le vanità ... Francia, nobile suol
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc76905b5f604d32a6f0c7e91b30aaba6db13583469c3834af6a77c2091fb958. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USSM11709657.
Pergolesi: Livietta e Tracollo - Hasse: Il Tutore (Due intermezzi)