thumb|180px|Luigi Rossi (1597–1653) Luigi Rossi (c. 1597 – 20 February 1653) was an Italian Baroque composer. Born in Torremaggiore, a small town near Foggia, in the ancient kingdom of Naples, at an e
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 0x0cb6cf07acd0c6e8f78ae859b67198dc10926e4f7155aae7c9acca95d1f537b5. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98c9d240-b238-41fd-a5f1-9f725b5b22a8.json and https://artists.proofprofile.net/proofs/artist/98c9d240-b238-41fd-a5f1-9f725b5b22a8.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 0x38d566ba5de048e2148297fa380807b96d55667ec64fa45d7b9d2faf0ab88ae2. 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/GBPFW1900124.
Rossi: L'Orfeo, Act 3: Dormite, begl'occhi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a058ec2cbad4763cb0bbd03853396ed4def34b8c4911b0e12611ba12950509. 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/GBPFW1900127.
Rossi: Il palazzo incantato, Act 2: Ballo di fantasmi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac69988df0916c724b6df79068e03f9d2ee951f2a3de0498f772bc7e8896115. 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/GBPFW1900130.
Rossi / Arr. Pluhar: "Al soave spirar" (Lamento di Arione)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x446931a6d272552ad221ae4de475dde946e376d6ea92042d8833df7e3570929e. 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/GBPFW1900133.
Rossi / Arr. Pluhar: "Dopo lungo penare"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f1620497587fdc043d1f25323d5cb7703360b28fe890fd514f8026fefdcb15b. 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/GBPFW1900135.
Marazzoli / Arr. Pluhar: "Dal cielo cader vid'io due stelle"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c9c98b64126b42948f8356aede69c72c9789462fc86d20ad48e822a7b04011f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBPFW1900138.
Rossi: "Anime, voi che sete delle furie d'abisso"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5670844ac6ff3935ef9bd4f56dd9e4ab404a9ac37453615381804b3ea577debf. 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/GBPFW1900139.
Rossi: "Tra romite contrade" (Lamento di Olimpia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4eab4cdc6e41d6eba15bd211540153c0225864cc2cab46b4f9e1dec6bd6c59d. 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/GBPFW1900143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae7efe3f4aa52d7d3b4c8697386914be28477b791003aa3815fb588e9338e085. 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/GBPFW1900144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f8d5a54a54dc3180404775a51a2fc258605a44435f2a78ea9f4bdd0fab64e9. 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/GBPFW1900145.
Rossi / Arr. Pluhar: Il palazzo incantato, Act 3: L'Avignone. Corrente
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe68f4501f012e272c0394c860e54f21eba893601f61125f4f63ccbae79496781. 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/GBPFW1900146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dff1b344ce7aa3197921fc7d526e3869cd1918d43dcd9e75f065d2dbdbaf156. 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/GBPFW1900149.
Rossi / Arr. Pluhar: "Taci ohimè non pianger più"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46f71f98b9ba23bd9b78211b1ec6909cb3057863a9de2eb9cee782c1c2d8e4f9. 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/GBPFW1900157.
Rossi: L'Orfeo, Act 2: "A l'imperio d'Amore" (Chorus, Eurydice)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x839449e47162bcac8ef065a380f8ac293c37126eea50a41205a565cd230a3fe4. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/GBPFW1900125.
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
Rossi / Arr. Pluhar: L'Orfeo, Act 2: "Mio ben" (Eurydice)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f117d0738c41163210bf56224bf14ea5b7e1d5591ca88a374b902656cb09b71. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:17:36Z), 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/GBPFW1900126.
Rossi: Il palazzo incantato, Prologue: "Vaghi rivi" (Pittura)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe474565563c777c5f5ff61e423b7e82f1c96c7d97f784319b40f471d86e53470. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/GBPFW1900123.
Rossi / Arr. Pluhar: "Questo picciolo rio"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe03a8d9e43ccb3bb36c40f07e0bd58b42ce801000d2c7684e65d608160e167c0. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/GBPFW1900128.
Rossi / Arr. Pluhar: "Se dolente e flebil cetra"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x444e6cac0f15975939762e491013f14c4d8eb34e0331a65058879af3c03c741d. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/GBPFW1900129.
Rossi: "La bella più bella il cor mi feri"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab1d14e8eed3d1b5aceb5fe35ad2d644ecd345fdfc73c0026dec76f775587202. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/GBPFW1900131.
Rossi: Il palazzo incantato, Act 3: Ritornello
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65bd676a3557e68453bb4b5b0caf57791e27e29b7e82f00cb4ff79fd24491f64. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/GBPFW1900132.
Rossi: L'Orfeo, Act 3: "Lasciate Averno" (Orfeo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc34dab6b993eb459b7b78b01595de90240390a01d002484ce209839c48a49b57. 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/GBPFW1900134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecaa18a4a9704720fea1a3af4d6870444485e24315743a98efcfeab97ff1b3cd. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBPFW1900136.
Rossi / Arr. Pluhar: "Ai sospiri, al dolori"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0937c4eb3b8537c075f4264e9462e7e0007a5a374ad466e1f3ddad41b9a2d025. 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/GBPFW1900137.
Rossi: "Gelosia, ch'a poco a poco nel mio cor serpendo vai"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33b4a38cfdbb8338e5629a16bc6454c93ca75a7773ed388aabf4f1b62a1001d4. 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/GBPFW1900140.
Rossi / Arr. Pluhar: L'Orfeo, Act 1: "Sol per breve momento" (Bradamante)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaedf8fd37bee874f26fe3e0afe203321acf74f8418e3c4aa5b3bd18d8a60c749. 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/GBPFW1900141.
Rossi / Arr. Pluhar: "Quando spiega la notte"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e534f8f201e1c9b3348f68d3d8053492458ccd7bcc259ab45a38f8aa1156a81. 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/GBPFW1900148.
Rossi: L'Orfeo, Act 3: Fantasia. Les Pleurs d'Orphée
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd70dd8d61b13ac47644e133386e242d0e80b3403af864eb7eb0f055d715966ef. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GBPFW1900150.
Rossi: "Erminia sventurata" (Lamento di Erminia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dbd764d4d2fee44e13e40aea5b70ee8e0bb47d532317a951dc9a7ce3f0009b5. 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/GBPFW1900151.
Rossi / Arr. Pluhar: "Io piangea presso d'un rio"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ee04e301b2a4834ae6a6a93bac65116dbb1a158c580168d259828a33fe925e3. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/GBPFW1900152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57fe053b60c1343345ecba8e80585703131c6823e097956664f2c7e4971e3e7c. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/GBPFW1900158.