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 0x6baa170159c77a0953f1f597c6de16f099fc724d4cf6f4ce6ad6c6ef72bfd8b6. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd446da8-4311-4f47-baa2-384b54a0113c.json and https://artists.proofprofile.net/proofs/artist/dd446da8-4311-4f47-baa2-384b54a0113c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Monteverdi: Concerto. Settimo libro de' madrigali
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 0x6c2a6602153f730da093c572b1d5b2258c1025da2fe7197b41d9ff0cd9570171. 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/ITS661000023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7941c3fac8f76479151a3967fa29a9b0f8bcf1c6cb95045e158fb2af3621b9b6. 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/ITS661000029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe17fc25210e2f50d81527d85e18a2662d897485e41394e4fa8c82fb5d54f5d65. 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/ITS661000030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e0834c94322ba362b3e006afef1c097400e13fcfdb05b970ef915b9f384f441. 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/ITS661000034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1842c216fa6e09a604c7fdb2b5f0a1ea9d0dbbdd7e898ad5a4848fb0182ec05. 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/ITS661000037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53721ac94a47887165c2c847784962396a3e1ae2a207eedbfa810d8f08ba521c. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/ITS661000031.
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
Mozart in Milan: Sacred Music around the Exsultate, jubilate
Mozart: Requiem (Transcription by carl czerny for solo, coro & four hands piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5272715635b1db1ddc744322b835e940ee109b83d7d1dcac0edcb1d1f5e21ac8. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-21T23:02:13Z), 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/FR6V81286901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1912846840db1473b1ccc202c98d59dad5efa4abb019dc2f216ab9aa60713b09. 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/FR6V81286906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a08f7d627bcad80ff11d2f3ac8e53e66a4019d4e2b12314fa02dcc5eb21b469. 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/FR6V81286907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25fece2bb31c5bc0a922de96ab5c2b037ffc3a16b2c843b2355ec52a272645f5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/FR6V81286908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd414b78ff0f508d3690c2429838f3533e85d9c1129f27e88b1ed2f55d4f8b3. 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/FR6V81286910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfec642ae2c82aa431481ab48f072df99433830f623c95a521662e8835a5083d7. 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/FR6V81286911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda24beb59e939a03578df5b106909bec88861abfb06d5095de5093663704ab49. 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/FR6V81286913.
Requiem: Communio - Lux aeterna, Cum sanctis tuis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe15d529df132f14402cee063ac9c052470ac17a5299bc053c677f9293cc40810. 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/FR6V81286914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26ea04b940a5c5df1861a481c825c8800eca59a601f3f55ee583c68f6672b043. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/FR6V81286902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1553225dd5c10b8c097e975a23f476b05083de6cdcc78eac4468782b73015607. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/FR6V81286903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f1c5da5c5ba726c4b47d4ca26be19d2085fbd26f017de543507de4c52b88e7. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/FR6V81286904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x789329ee69845a2a46123916207212a6974db611d8da23cede3b4165ca6e2284. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/FR6V81286905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f5e41aca1892b689e4f24ca2690fb32be53c6e4963b2fe84f37da56472e95a6. 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/FR6V81286909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x328b3b9781f68024374e7f41bf928ca4fb7494fa7f1e351d5e73f9a928910d78. 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/FR6V81286912.
Madrigals, Book I: Ch'ami la mia vita nel tuo bel nome
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc40fbef0b308555cbefe2438d6c09babff3f7cd871fbbfcdc9175b96778f9ddd. 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/FRZ132304010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabd572477bb254bad8e338327dddc2127597a1db59072cbd9a585e3fda71d0eb. 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/FRZ132304050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc204d43a201163516844fd42c3b0a85337059d181529c2e49c3391ba2e32137c. 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/FRZ132304070.
Madrigals, Book IX: Zefiro torna e di soavi accenti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6847c2c404c0e87a35553283b98fccd9c209baaa4be8dc3c05b1c60c0345df82. 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/FRZ132304230.
Madrigals, Book I: Se per havervi, ohimè, donato il core
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ddaca9c92af9195e4b35adeb1057a53b44e72ead11ddadd9140bf0e6b863ff3. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FRZ132304020.
Madrigals, Book I: A che tòrmi il ben moi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ab4d3a83a0a2b1dacec4b7000553072aced04a2193de9b7e97cae57c58f583. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/FRZ132304030.
Madrigals, Book I: Amor, per tua mercé, vattene a quella
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f73920ff9fb13f9b089b37f4a08e6b61f67835d7f564104d33fae173f6f12d1. 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/FRZ132304040.
Monteverdi: Night. Stories of Lovers and Warriors
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc261305c4d76f56878e4f9b561929a3326b3f97864884bfefb30e0ee163ac712. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/FRZ131322010.
Euridice, Scene II: "Non piango, e non sospiro"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5e899525876b2145c8b90edf069cb654a6bd22dc94302e923c0abd4fdd4dc2. 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/FRZ131322017.
Euridice, La Tragedia: "Io, che d'alti sospir vaga"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03cee92dbbfed063d5d3a0e842e003ca0987f32a93764b89796552a4f8ebc055. 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/FRZ131322011.
La liberazione di Ruggiero dall'isola di Alcina
La liberazione di Ruggiero dall'isola d'Alcina, Prologue: Sinfonia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31674efcce2ae5b4c2874c185434fbe1bd5510fb875662186842206d8a5653a3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ES7891602201.
La liberazione di Ruggiero dall'isola d'Alcina, Prologue: Biondo Dio del bel Permesso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb285a7ebd8c12785226dd7789f144ff2c6644a49b55643530dddcee2c1a9bed. 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/ES7891602203.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 1: Così, perfida Alcina
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7838c6dd63900e0d94844e599fdf066e2436b2f50db560d4036abb4f69c5cd6. 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/ES7891602207.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 1: Qui si può dire
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c6783f7645ed865d50fd2c38a1dca9339b4a500d16d530a19b070e0cbfbf832. 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/ES7891602208.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 1: Quanto per dolce e mia beata sorte
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a8898ab5888071a4829c2b56303bf73c0b6cd034329b1f56c1667f402a81fe0. 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/ES7891602209.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 1: Rimanti, ò mio signore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30aff74237410327de9b3ba40d29dcf75aa759cd1881dab5f0a07864d8c5beef. 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/ES7891602211.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 1: Aure volanti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafc624b869bae93c62b320743e3b11019185b05d8c525839e3e23648c9dc04e9. 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/ES7891602212.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 1: Per la più vaga e bella
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55cc87f25e38e3b70632fbdeb952d1abd4a2b44063b2502136afcd795ff124f8. 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/ES7891602214.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 4: Ballo ("Il cavalier di Spagna" by Magistro Rofino)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd543fdfdf5352ee31063b7374bd029dc38b757e1a623ca9fe76a9142c8e67d3e. 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/ES7891602227.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 4: Ai diletti, al gioire
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x167196daa8415eed0c16089fbc6564d0bad68d891e98fc9027f9e66c1f17f574. 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/ES7891602229.
La liberazione di Ruggiero dall'isola d'Alcina, Prologue: Non perché congiurati
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b9ed5ea5f59afb640b70415d9153fa60d0e62b01999e4d13a1f34c730b367f8. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/ES7891602202.
La liberazione di Ruggiero dall'isola d'Alcina, Prologue: Poscia che'l cielo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cd6ac791de651fe3dfa00c20f3ec19e4eff673f793ff49bfa1dd4aaab8cf771. 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/ES7891602205.
La liberazione di Ruggiero dall'isola d'Alcina, Scene 1: Ruggier de' danni asprissimi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66e7a13c2088de3073944d4e1d5ef414a753b7454025e891fc17489834ff7fb1. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/ES7891602218.
Da Firenze: Amor, tu solo'I sai - Ballate e Madrigali
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6a3bf6d8c1b6c2ba5103639256f1f82d80e12ee2f92b3079108de1784e7baa5. 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/FR46Y1947702.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x484b602b58ec37607480bfccb452c4854c981b1aec6ec58b0bd896056a4c21ca. 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/FR46Y1947708.
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Requiem, Offertorium: I. Domine, Jesu Christe
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf36a0fe3fa5ca2a6420ead44e467dc8317d8c7cd298b11e4fe98e486c6718a2a. 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/FR46Y1947715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02e02ebb043eddd348088edde8f07ee6f8541e57be2396b8dbb1ec2d4cc258f4. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/FR46Y1947716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67038d427f6a90355088c7cd6ac7e047318167112567c967124937a32b345d7b. 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/FR46Y1947718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf5ec0aab951f4ddfba09e7ec0d79a511c5a0fec6a6e8c3c7acdeab7b94ad4ba. 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/FR46Y1947720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbbf4921cf8f5823a14d79d7c7e96e79bfc0cb756a40544b06743a89f46fef97. 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/FR46Y1947721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ff95dffe821abcf15657aebdc32a8691572af92072e8c9d1120c9fd40151cd9. 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/FR46Y1947722.
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Requiem, Responsorium: IV. Tremens factus
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x942bac3fde9dfade7521c9cb7441fc7a4641e2b8045cbeb791a303f067840677. 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/FR46Y1947725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778b69359e3f71dd45c0a2a6da97894ef4fb36bb5ab5d8ac8a5edf4af0d71fad. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/FR46Y1947707.
Requiem, Offertorium: II. Hostias et preces
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x444bc346ab0689a38f5a7cf9f2cb9f9e9597b521393311fc7016f0d9c0480f8d. 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/FR46Y1947713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cfb9fc78bc3a31e4c29fae6d82f419c6acb0514f50173c1c1c14491fe0af4cf. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/FR46Y1947727.
Nicola Porpora & Leonardo Leo: Chamber Works
Madrigali guerrieri, et amorosi, Book VIII
L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 2: Dal Mio Permesso Amato
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L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 4: Lasciate I Monti
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L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte III, scène 6: Orfeo Son Io
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L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 7: Alcun Non Sia Che Disperato In Preda
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L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 2: In Questo Prato Adorno
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L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 4: In Un Fiorito Prato
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L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 3: In Questo Lieto E Fortunato Giorno
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L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 3: Ahi, Caso Acerbo !
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L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 5: Tu Se Morta, Mia Vita, Ed Io Respiro
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Naumann, J.G.: Passione Di Gesu Cristo (La)
Ghezzi: Oratori, mottetti & lamentationi
Deus judicium tuum, TWV 7:7: I. Deus, judicium tuum regi da
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Lateinisches Magnificat, TWV 9:17: I. Sonata
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Marenzio: Quinto libro di madrigali a sei voci
Rore: Vieni dolce Himineo & Other Madrigals
J.S. Bach: St. Matthew Passion, BWV 244 (Live)
Marenzio: Missa Jubilate, Magnificat sexti toni & Other Works
Selmi, Coppola, Pirani: The voice of cello from Nazi prisons
Il terzo libro de madrigali a cinque voci